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Science Current Events and Science News | Brightsurf | September 20, 2018


Talking with the doctor makes it easier to deal with grief and bereavement
In a comprehensive study, researchers from Aarhus University show that grieving patients who receive what is known as talk therapy at the general practitioner shortly after a relative's death, have a lower risk of suicide and psychiatric illness than others.
Study: Widely used nonprofit efficiency tool doesn't work
A recent study finds that the tool most often used to assess the efficiency of nonprofit organizations isn't just inaccurate -- it is negatively correlated with efficiency.
Opioid controlled substance agreements safely reduce health care visits, Mayo study finds
The medical community has long known that patients on long-term opioid therapy often have significantly more health care visits.
Journal of Dairy Science® presents collection on calf health and management
The United States Department of Agriculture-National Animal Health Monitoring System (USDA-NAHMS) conducted a survey of 2,545 preweaned heifer calves across 104 dairy operations in 2014.
Crunched for time? High-intensity exercise = same cell benefits in fewer minutes
A few minutes of high-intensity interval or sprinting exercise may be as effective as much longer exercise sessions in spurring beneficial improvements in mitochondrial function, according to new research.
Fat from 558 million years ago reveals earliest known animal
Scientists from The Australian National University (ANU) and overseas have discovered molecules of fat in an ancient fossil to reveal the earliest confirmed animal in the geological record that lived on Earth 558 million years ago.
Study documents poor mental and physical health in rural borderland community members
The borderlands between the United States and Mexico are home to numerous Mexican and Central American rural communities, with many members living in poverty and frustrated by limited access to basic resources.
Fish-rich diets may boost babies' brain development
Women could enhance the development of their unborn child's eyesight and brain function by regularly eating fatty fish during pregnancy.
NASA balloon mission captures electric blue clouds
Scientists share mesmerizing new images of electric blue clouds from NASA's PMC Turbo balloon mission that flew in over the Arctic in July 2018.
Spray coated tactile sensor on a 3D surface for robotic skin
A KAIST research team has reported a stretchable pressure insensitive strain sensor by using an all solution-based process.
Pairing zebrafish by personality improves fitness of the species
Scientists have challenged the theory of 'love at first sight' after discovering that they can boost the reproductive success of zebrafish by pairing them by personality, rather than appearance.
ACA health insurance ads targeted younger, healthier consumers from 2013 to 2016
The themes in television advertisements for health insurance plans have shifted over time, possibly reflecting the shrinking pool of health plans offered through the Affordable Care Act (ACA) as well as rising plan premiums.
Boosting emotional intelligence in physicians can protect against burnout
A Loyola Medicine study demonstrates that an educational curriculum for resident physicians improves their emotional intelligence, which may help protect against burnout.
Detecting epigenetic signature may help people stay ahead of IBD
With an estimated 1.6 million people in the US dealing with inflammatory bowel disease (IBD), physicians can have a hard time telling which newly diagnosed patients have a high risk of severe inflammation or what therapies will be most effective.
A behavioral intervention for cancer patients that works
This is a story about something rare in health psychology: a treatment that has gone from scientific discovery, through development and testing, to dissemination and successful implementation nationwide.
Study at Johns Hopkins hospital leads to changes in reporting patient safety concerns
In a case study published online last week in Academic Medicine, an international team of researchers led by the University of Cambridge and Johns Hopkins Medicine looked at what prevented employees from raising concerns.
Molecular fossils confirm Dickinsonia as one of Earth's earliest animals
By identifying specific biomarkers preserved alongside fossils of oval-shaped life forms from the Ediacaran Period, fossils from which are typically considered one of the greatest mysteries in paleontology, researchers say the ovular organism is not a fungus or protist, as some have thought, but an early animal.
How lactoferrin clamps down on free roaming iron ions to stop nefarious effects on cells
What prevents our cells being damaged due to overexposure to iron ions is a protein called lactoferrin, known for its ability to bind tightly to such ions.
Simulations enable 'choose-your-own-adventure' stereochemistry
''We used our data-driven tools to derive significant insight into how the process works that allows us to design the correct additives to get the desired outcomes,'' Sigman said.
Can a common heart condition cause sudden death?
About one person out of 500 has a heart condition known as hypertrophic cardiomyopathy (HCM).
Novel biomarker found in ovarian cancer patients can predict response to therapy
Researchers have identified an independent prognostic factor, cancer/testis antigen 45, that is associated with extended disease-free survival for women with advanced ovarian cancer.
Plug-and-play technology automates chemical synthesis
MIT researchers have developed an automated chemical synthesis machine that can take over many tedious aspects of chemical experimentation, freeing chemists to spend time on the more analytical and creative aspects of their work.
UTA researchers patent technology for smart seat cushion, adaptable prosthetics
The University of Texas at Arlington has patented a smart seat cushion that uses changes in air pressure to redistribute body weight and help prevent the painful ulcers caused by sitting for long periods of time in a wheelchair.
Smartphone, M.D.
In a potential game changer for the health care industry, a new cell phone app and lab kit now allow a smartphone to identify bacteria from patients anywhere in the world.
Scientists quantify the vast and valuable finds stored on museum shelves
Days after a fire tore through Brazil's National Museum and destroyed specimens of irreplaceable heritage, a team of scientists has quantified the vast number of fossils that sit unstudied in natural history collections.
Neutrons produce first direct 3D maps of water during cell membrane fusion
New 3D maps of water distribution during cellular membrane fusion are accelerating scientific understanding of cell development, which could lead to new treatments for diseases associated with cell fusion.
What's eating these endangered orchids?
A species of seed-feeding fly is critically damaging the seed production of multiple orchid species, as revealed by a group of Japanese researchers.
Certain factors linked with kidney function recovery in children on dialysis
Among children on dialysis for end-stage kidney failure, patients with vasculitis, ischemic kidney failure, and hemolytic uremic syndrome were most likely to regain kidney function and no longer need dialysis.
New research finds annual well visit increases likelihood of preventive services
A new Harvey L. Neiman Health Policy Institute study assesses the effect of receiving an Annual Wellness Visit (AWV) between 2011 and 2013 on the annual rate of eight preventive services recommended for the Medicare population following the AWV.
Study: Commitment to democratic values predict climate change concern
Commitment to democratic values is the strongest predictor of climate change concern globally, Georgia State University faculty have found in a new study comparing climate change attitudes across 36 countries, including the US.
The extirpation of species outside protected areas
Land-based bird populations are becoming confined to nature reserves in some parts of the world -- raising the risk of global extinction -- due to the loss of suitable habitat, according to a report led by UCL.
Nerve cells in the human brain can 'count'
How do we know if we're looking at three apples or four?
A new approach towards developing a vaccine against vivax malaria
A novel study indicates promising avenues in an innovative approach for developing a vaccine against Plasmodium vivax, the most prevalent human malaria parasite outside sub-Saharan Africa.
Stanford study identifies stem cell that gives rise to new bone and cartilage in humans
A decade-long effort led by Stanford University School of Medicine scientists has been rewarded with the identification of the human skeletal stem cell.
Test could detect patients at risk from lethal fungal spores
Scientists at The University of Manchester have discovered a genetic mutation in humans linked to a 17-fold increase in the amount of dangerous fungal spores in the lungs.
Why do people share? It's contagious, six-year study of Hadza people shows
In the modern world, people cooperate with other people including strangers all the time.
Cancer immunotherapy might benefit from previously overlooked immune players
Using a bioinformatics approach, University of California San Diego School of Medicine researchers found that CD4+ T cell's binding partner, a molecule called MHC-II, may have even more influence on emerging tumors than MHC-I, the better known partner of CD8+ T cells.
EU Fisheries failures jeopardise sustainability of small fishing communities
Traditional artisanal fishing has been harmed by EU fishing policies that favour big businesses and ignores other more sustainable approaches to conserving fish stocks, according to new research from the University of Kent.
Kiwifruit duplicated its vitamin C genes twice, 50 million and 20 million years ago
Today's kiwifruit, a member of the Chinese gooseberry family, contains about as much vitamin C as an orange.
The BMJ questions transparency of information surrounding safety of Pandemrix vaccine
An investigation published by The BMJ today raises fundamental questions about the transparency of information surrounding the safety of GlaxoSmithKline's Pandemrix vaccine used in 2009-2010.
In depression the brain region for stress control is larger
Although depression is one of the leading psychiatric disorders in Germany, its cause remains unclear.
Black women more likely to skip crucial breast cancer treatments
A new study in the Journal of the National Cancer Institute finds that black women are more likely to skip hormone therapy treatments, also known as endocrine therapy, for breast cancer.
Mediterranean-style diet may lower women's stroke risk
Following a Mediterranean-style diet may reduce stroke risk in women over 40 but not in men -- according to new research led by the University of East Anglia.
Intestines modify their cellular structure in response to diet
Body organs such as the intestine and ovaries undergo structural changes in response to dietary nutrients that can have lasting impacts on metabolism, as well as cancer susceptibility, according to Carnegie's Rebecca Obniski, Matthew Sieber, and Allan Spradling.
Researchers make major breakthrough in controlling the 3D structure of molecules
Scientists from The Graduate Center of The City University of New York (GC/CUNY) have made a major breakthrough in chemical synthesis that now makes it possible to quickly and reliably modify the 3D structure of molecules used in drug discovery, according to a paper appearing in the current issue of the journal Science.
Fatty acids can slow down an overheated immune system
The STING protein is normally an important part of our immune system, but in some autoimmune diseases it is itself the source of the disease.
Affordable Care Act: Study finds surprising gaps in HIV care providers' knowledge
More than a quarter of providers were unable to say whether their state had expanded Medicaid, the national survey found.
Manganese plays a key role in bacterial infection
The ability to acquire manganese during infection is essential for the virulence of Enterococcus faecalis in animals, according to a study published Sept.
Analysis of sea squirt embryo reveals key molecules in dopaminergic neuron differentiation
Researchers at University of Tsukuba used a novel approach for analyzing the central nervous system of a proto-vertebrate to identify a regulatory cocktail that induces the creation of dopaminergic neurons/coronet cells, a primitive version of the hypothalamus.
Matter falling into a black hole at 30 percent of the speed of light
A UK team of astronomers report the first detection of matter falling into a black hole at 30% of the speed of light, located in the centre of the billion-light year distant galaxy PG211+143.
Full, but still feasting: Mouse study reveals how urge to eat overpowers a signal to stop
A new study explores the mystery of what drives eating past the point of fullness, at the most basic level in the brain.
Smart pills dumb down medical care, experts warn
Enthusiasm for an emerging digital health tool, the smart pill, is on the rise but researchers at the University of Illinois at Chicago have published a paper in the American Journal of Bioethics that cautions health care providers and policymakers to slow down when it comes to allowing this technology in patient care settings.
MDMA (a.k.a. ecstasy) makes octopuses more social too
When people take MDMA, the drug popularly known as ecstasy, a rush of serotonin, dopamine, and oxytocin produces feelings of emotional closeness and euphoria, making people more interested than normal in connecting with other people.
Gambling monkeys help scientists find brain area linked to high-risk behavior
Monkeys who learned how to gamble have helped researchers pinpoint an area of the brain key to one's willingness to make risky decisions.
What makes a mammal a mammal? Our spine, say scientists
Mammals are unique in many ways. We're warm-blooded and agile in comparison with our reptilian relatives.
A naturally occurring antibiotic active against drug-resistant tuberculosis
A naturally occurring antibiotic called kanglemycin A is effective against Mycobacterium tuberculosis, the bacteria that cause tuberculosis, even in drug-resistant strains, according to an international team of researchers who used chemistry, molecular biology, microbiology, and X-ray crystallography to show how the compound maintains its activity.
New observations to understand the phase transition in quantum chromodynamics
In the current issue of the science journal Nature, an international team of scientists presents an analysis of a series of experiments which sheds light on the nature of the phase transition after the Big Bang about 13.7 billion years ago.
Even the best healthcare facilities can do more to prevent infections
Healthcare-associated infections can be reduced by up to 55 percent by systematically implementing evidence-based infection prevention and control strategies, according to a review of 144 studies published today in Infection Control & Hospital Epidemiology, the journal of the Society for Healthcare Epidemiology of America (SHEA).
Research proves South East Asian population boom 4,000 years ago
Researchers have uncovered a previously unconfirmed population boom across South East Asia that occurred 4,000 years ago, thanks to a new method for measuring prehistoric population growth.
Coastal wetlands will survive rising seas, but only if we let them
A global study addresses a major uncertainty in how saltmarshes and mangroves will respond to sea-level rise; stresses importance of preserving 'accommodation space' for landward migration.
Surprise finding uncovers balancing act between birth defects and cancer
Walter and Eliza Hall Institute researchers have made a surprise discovery about how subtle changes in the way cell survival is regulated during embryonic development can have drastic health implications.
Drop in EU/EEA measles cases between March and July 2018
During the month of July, a total of 758 cases of measles were reported across seventeen countries in the EU/EEA, which is a decrease from the 1054 cases reported during the month of June.
Most nations falling short of UN targets to cut premature deaths from chronic diseases
People in the UK, US and China have a higher risk of dying early from conditions like cancer, heart disease and stroke than people in Italy, France, South Korea and Australia.
Scientists reveal the hidden costs of cobalt mining in DR Congo
Cobalt mining comes at a great cost to public health in the Democratic Republic of the Congo.
Hookworms employ live fast/die young strategy in fur seal pup hosts
Hookworms exploit a live fast/die young strategy in their South American fur seal pup hosts, report Morris Animal Foundation-funded researchers at the University of Georgia.
Simpler and safer method for handling a useful but foul-smelling gas in chemical synthesis
Researchers at the Interdisciplinary Nanoscience Center (iNANO) and Department of Chemistry, Aarhus University, have developed both an ingenious, as well as a safe procedure for using the 'rotten egg' smelling and flammable gas, methanethiol, in certain chemical reactions.
Mathematics meets biology to uncover unexpected biorhythms
A novel mathematical approach has uncovered that some animal cells have robust 12-hour cycles of genetic activity, in addition to circadian or 24-hour cycles.
After EMR implementation, surgeons spend less time interacting with patients
Implementing an electronic medical records (EMR) system at an orthopaedic clinic may have unanticipated effects on clinic efficiency and productivity - including a temporary increase in labor costs and a lasting reduction in time spent interacting with patients, reports a study in September 19, 2018 issue of The Journal of Bone & Joint Surgery.
American girls read and write better than boys
As early as the fourth grade, girls perform better than boys on standardized tests in reading and writing, and as they get older that achievement gap widens even more, according to research published by the American Psychological Association.
New way to target advanced breast cancers
IL1b, a member of the interleukin 1 family of cytokines (proteins released by certain cells of the immune system) drives the inflammation often found in cancer, and appears as an 'IL1 signature' in women with HER2-negative metastatic breast cancer.
New test procedure accelerates the diagnosis of multi-resistant hospital pathogens
A research team from the Faculty of Medicine at the University of Cologne and the German Centre for Infection Research has achieved a breakthrough: The diagnosis of multi-resistant hospital pathogens is now possible in 45 minutes instead of 72 hours.
What can salad dressing tell us about cancer? Think oil and vinegar
St. Jude Children's Research Hospital scientists have identified another way the process that causes oil to form droplets in water may contribute to solid tumors, such as prostate and breast cancer.
Few hatchery brook trout genes present in Pennsylvania watershed wild fish
Despite many decades of annual brook trout stocking in one northcentral Pennsylvania watershed, the wild brook trout populations show few genes from hatchery fish, according to researchers who genotyped about 2,000 brook trout in Loyalsock Creek watershed, a 500-square-mile drainage in Lycoming and Sullivan counties celebrated by anglers for its trout fishing.
Reducing false positives in credit card fraud detection
Consumers' credit cards are declined surprisingly often in legitimate transactions.
Researchers identify a new cause of childhood mitochondrial disease
A rapid genetic test developed by Newcastle researchers has identified the first four patients with inherited mutations in a new disease gene, a building block of complex I called NDUFA6.
Astrophysicists measure precise rotation pattern of sun-like stars for the first time
Scientists have measured the differential rotation on Sun-like stars for the first time, and their findings challenge current science on how stars rotate.
Scientists make significant discovery in the fight against drug-resistant tuberculosis
Researchers from Newcastle University and Demuris Ltd have identified that a naturally occurring antibiotic, called kanglemycin A -- related to the antibiotic rifampicin -- is active against rifampicin-resistant Mycobacterium tuberculosis.
To improve auto coatings, new tests do more than scratch the surface
Know that sickening feeling when you find your car banged up by a runaway shopping cart?
Synthetic organelle shows how tiny puddle-organs in our cells work
Imagine your liver being just a big puddle. Some organelles in your cells are exactly that including prominent ones like the nucleolus.
Researchers identify human skeletal stem cells
Human skeletal stem cells that become bone, cartilage, or stroma cells have been isolated from fetal and adult bones.
Overwhelming evidence shows hepatitis C treatment effective for people who inject drugs
Researchers are calling on an end to discriminatory health and illicit drugs policies, based on overwhelming evidence that new hepatitis C therapies are effective at curing the virus in people who inject drugs.
Putting underused smart devices to work
There are currently millions of heavily underutilized devices in the World.
Quick and not-so-dirty: A rapid nano-filter for clean water
Researchers harness naturally occurring nano-structures that grow on liquid metals to develop an ultra-fast water filter.
Gut branches of vagus nerve essential components of brain's reward and motivation system
A novel gut-to-brain neural circuit establishes the vagus nerve as an essential component of the brain system that regulates reward and motivation, according to research conducted at the Icahn School of Medicine at Mount Sinai and published Sept.
Analysis of global fossils informs evolution of mammalian spine
The three stages of mammalian backbone evolution are far clearer now, thanks to work by a team of researchers that examined fossilized backbones of primitive mammal ancestors and applied novel statistical analyses.
A one-way street for salt
Barely heard of a couple of years ago, quinoa today is common on European supermarket shelves.
Graphene bilayer provides efficient transport and control of spins
University of Groningen physicists in collaboration with a theoretical physics group from Universit├Ąt Regensburg have built an optimized bilayer graphene device which displays both long spin lifetimes and electrically controllable spin-lifetime anisotropy.
Festschrift dedicated to Mathilde Krim includes scientific research by Krim fellows
A special Festschrift dedicated to the memory of Dr. Mathilde Krim celebrates her life and medical and scientific career, including her leadership role as the Founder of the American Foundation of AIDS Research (amfAR).
Researchers look to immune cell shapes to predict how well body will fight lung cancers
Researchers at Case Western Reserve University have discovered how to quickly and accurately predict which lung cancer patients will benefit from chemotherapy by analyzing the arrangement--not the number-- of cells the body sends out to fight the disease.
Octopuses given mood drug 'ecstasy' reveal genetic link to evolution of social behaviors in humans
By studying the genome of a kind of octopus not known for its friendliness toward its peers, then testing its behavioral reaction to a popular mood-altering drug called MDMA or 'ecstasy,' scientists say they have found preliminary evidence of an evolutionary link between the social behaviors of the sea creature and humans, species separated by 500 million years on the evolutionary tree.
More than half of countries are not on track to meet global targets for chronic diseases
Peer-reviewed / Modelling and review. Cancers, cardiovascular diseases, chronic respiratory diseases, and diabetes were responsible for 12.5 million deaths among people aged 30-70 years worldwide in 2016.
SFU study busts myth about facial hair on pilots
A study conducted in Simon Fraser University's hypobaric chamber has sealed Air Canada's decision to allow pilots to sport facial hair.
Gut fungus exacerbates asthma in antibiotic-treated mice
A non-pathogenic fungus can expand in the intestines of antibiotic-treated mice and enhance the severity of allergic airways disease, according to a study published Sept.
Climate change modifies the composition of reefs
Corals devastated by climate change are being replaced naturally by other species such as gorgonians, which are less efficient in acting as a carbon sink.
Decoding the structure of an RNA-based CRISPR system
Scientists from the Salk Institute are reporting for the first time the detailed molecular structure of CRISPR-Cas13d, a promising enzyme for emerging RNA-editing technology.
Glacial engineering could limit sea-level rise, if we get our emissions under control
Targeted engineering projects to hold off glacier melting could slow down ice-sheet collapse and limit sea-level rise, according to a new The Cryosphere study.
Scientists grow human esophagus in lab
Scientists working to bioengineer the entire human gastrointestinal system in a laboratory now report using pluripotent stem cells to grow human esophageal organoids.
Investigational steroid mirrors prednisone's benefits while taming its side effects
A head-to-head trial comparing the decades-old steroid, prednisone, and a promising new steroid, vamorolone, finds both act on the same key set of genetic pathways involved in controlling inflammation, indicates a new study led by Children's National Health System researchers.
Like our sun, other stars spin faster at the equator than at the poles
Finally providing insights into the spin behavior of sun-like stars outside our solar system, researchers now report that, much like the sun, some other solar-type stars spin faster at their equators than at their poles.
TINY cancer detection device proves effective in Uganda testing
Its name is an acronym used to convey its size, but researchers at Cornell Engineering and Weill Cornell Medicine are hoping their hand-held cancer detection device's impact in the developing world is anything but small.
Extra Arctic observations can improve predictability of tropical cyclones
Japanese scientists and their international partners have found that additional weather observations in the Arctic can help predict the track and intensity of tropical and mid-latitude cyclones more accurately, improving weather forecasting of extreme weather events.
Basking sharks can jump as high and as fast as great whites
These gentle giants, which can grow up to 10 m in length, have been recorded jumping out of the water as high and as fast as great white sharks.
Scientists solve the golden puzzle of calaverite
There's quite a story behind calaverite. Apart from its marked impact on the Gold Rush, the mineral has been a headache and a great paradox for crystallographers for decades.
Breaking down backbones
A new study is challenging the long-held belief that specialization in mammal backbones date back to the earliest land animals.
NASA created rainfall analysis for super Typhoon Mangkhut
At NASA's Goddard Space Flight Center in Greenbelt, Md. data was used to create a map of rainfall generated by Super Typhoon Mangkhut.
Study: Immediate compression could help prevent complications after deep-vein thrombosis
People with deep-vein thrombosis (DVT) can substantially cut their risk of potentially debilitating complications by starting adequate compression therapy in the first 24 hours of DVT therapy (known as the acute phase of treatment), suggests a study published today in the journal Blood.
Nomadic hunter-gatherers show that cooperation is flexible, not fixed
Why do humans cooperate? For six years, researchers from the University of Pennsylvania have worked to answer this great puzzle, focusing on the Hadza, a nomadic hunter-gatherer population in Tanzania.
Kiwi teenagers less fit than a generation ago, Otago research reveals
New Zealand teenagers are less fit and weigh more than their parents were at the same age, new University of Otago research reveals.
Sample size matters in multisensory integration studies
Sample size (the number of individuals examined for a study) is the most important factor determining the accuracy of the study results.
We are bombarded by thousands of diverse species and chemicals, Stanford study finds
Stanford scientists have measured the human 'exposome,' or the particulates, chemicals and microbes that individually swaddle us all, in unprecedented detail.
New evidence for coordinated hedgehog and Wnt pathway activation in appendage regeneration
Researchers have made a significant new discovery concerning the signaling mechanisms that enable newts to regrow their tails after injury.
In cardiac injury, the NSAID carprofen causes dysfunction of the immune system
Attention has focused on how NSAIDs may cause dysfunction of the immune system.
Study reveals a promising alternative to corticosteroids in acute renal failure treatment
In search of an option for the drug known for causing several side effects, scientists describe the anti-inflammatory properties of protein galectin-1 in tests with rats involving ischemia-reperfusion scenarios.
When mammal ancestors evolved flexible shoulders, their backbones changed too
Dolphins swim, horses gallop, and humans walk on two legs -- mammals are able to move in lots of different ways.
Genomic dark matter activity connects Parkinson's and psychiatric diseases
Using a new technique known as laser-capture RNA seq, that involves cutting out dopamine neurons from a human brain section with a laser, investigators from Brigham and Women's Hospital and Harvard Medical School have cataloged more than 70,000 novel elements active in these brain cells.
Preventing a dengue outbreak at the 2020 Summer Olympics
In 2014, a dengue outbreak unexpectedly occurred in Tokyo. What does that mean for the 2020 summer Olympics and Paralympics being held in the city?
Study finds a conserved role for serotonin in regulating behavior in octopus, humans
The mood-altering drug MDMA -- which promotes positive, friendly social interactions in humans by inhibiting serotonin uptake in nerve cells -- has a similar behavioral effect in an octopus species, scientists reported today.
Unraveling the exponential rise of the US drug overdose epidemic
The exponential growth in overall mortality from unintentional drug overdoses in recent decades is a composite of multiple underlying sub-epidemics of different drug types, each with its own unique set of social and geographic characteristics, reports a new study.
'Gut sense' is hardwired, not hormonal
Searching for a more direct connection between the gut and the brain, Duke researchers were shocked to see that distance spanned by a single synapse, relaying the signal in less than 100 milliseconds, less than the blink of an eye.
Drug overdose epidemic has been growing exponentially for decades
Death rates from drug overdoses in the US have been on an exponential growth curve that began at least 15 years before the mid-1990s surge in opioid prescribing, suggesting that overdose death rates may continue along this same historical growth trajectory for years to come.

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