A new study from CAMH found that contraband cigarettes account for 43% of all cigarettes consumed by Ontario high school daily smokers in grades 9 to 12. Youth are more likely to afford and access these lower-priced, unregulated products due to their affordability and lack of restrictions on purchase.
Researchers created a universal gripper using ground coffee and a latex party balloon, which conforms to objects rather than being designed for specific ones. The gripper works by pressing down on the object with the balloon and then releasing it, allowing for seamless grip and release.
Scientists discover how EBV uses microRNA to create an elaborate timing mechanism, allowing it to hide within cells and evade the immune system. Removing this mechanism could enable physicians to flush EBV out of hiding and allow a healthy immune system to rid the body of the virus.
A Purdue-led research team found a previously unmapped fault, the Léogène fault, was responsible for the devastating Haiti quake. The newly discovered fault runs parallel to the Enriquillo fault and remains ready to produce large earthquakes, threatening Haiti's stability.
A new study reveals that immune cells use chromatin to form defensive webs, catching and killing pathogens with the help of enzymes neutrophil elastase and myeloperoxidase. The discovery opens up a new understanding of how the body defends against infection.
A study suggests that plant stem cells derived from trees could be used to produce the anticancer compound paclitaxel at a low cost. This method avoids the use of mature trees and environmentally damaging by-products associated with current industrial manufacturing processes.
Researchers can now study the mouse brain in unprecedented detail, thanks to a new atlas that provides a 3D reference point for genetics, toxicology, and drug discovery. The atlas features images with resolutions up to 21 microns, eliminating variability issues associated with conventional histology.
A Kaiser Permanente study found that heavy smoking in midlife is associated with a 157% increased risk of Alzheimer's disease and a 172% increased risk of vascular dementia. Vascular dementia is caused by conditions affecting the blood supply to the brain.
Researchers at University at Buffalo found that hydraulic fracturing can release naturally trapped uranium in Marcellus shale, potentially polluting streams and ecosystems. The study used advanced chemical instruments to map the location of uranium within the rock formation.
Researchers found that high erythropoietin levels are associated with increased mortality in older adults. High levels were linked to higher mortality rates independently of other factors, highlighting the hormone's potential prognostic value.
Researchers have identified a new class of long non-protein-coding RNAs that respond to SARS-CoV and influenza virus infections, suggesting they play a role in determining the outcome of infection. The study found distinct profiles of genetic activity associated with pathogenicity and lethal infection.
A new study from the Heart and Stroke Foundation of Canada found that marathon runners who are not adequately prepared can experience heart damage due to inadequate aerobic fitness. The study used MRI measurements to determine who is at risk of cardiac injury, highlighting the importance of proper training and cardiovascular testing.
A new study found that statin use reduces the risk of developing epilepsy in people over 65 with cardiovascular disease. The study showed a 35% lower risk of hospitalization for epilepsy among those taking statins compared to non-users.
Susana T. Valente receives $240,000 grant from the Landenberger Foundation to explore novel ways to prevent HIV replication. Her research focuses on identifying molecular interactions between retroviruses and host cells.
A study reanalyzed Japanese atomic bomb survivor data and found that middle-aged radiation exposure may lead to a higher cancer risk for some tumor types. The model used by the researchers suggests that adult bodies already contain larger numbers of premalignant cells, making promotion effects more likely.
Researchers have discovered that different odorant receptors in mammals exhibit varying degrees of basal activity, driving receptor current fluctuations and firing patterns. This study suggests new information is used by the olfactory system for categorizing odorants, challenging previous understanding of odor coding complexity.
A new study published in Cancer highlights the need to expand colorectal cancer screening to minority communities, particularly those without medical insurance. Offering screening at mammography visits is an effective way to generate interest and initiate the process, with 55% of participants going on to have a colonoscopy.
A study by Ashley Moffett's team found that specific interactions between maternal cells and fetal trophoblasts play a key role in determining successful pregnancy. The presence of certain maternal immune system genes provides protection against recurrent miscarriage, preeclampsia, and fetal growth restriction.
Researchers found that participation in cardiac rehab was associated with decreased risk of emergency room visits and hospitalization, as well as lower mortality rates. A new structured home-based cardiac rehab program may help overcome barriers to attendance, particularly for women and the elderly.
Researchers at MD Anderson Cancer Center identified a key signaling pathway that promotes osteosarcoma metastasis when blocked in mice. The study found significant decreases in lung metastases by targeting the Notch pathway and Hes1 gene.
A study by Purdue University found that rice hulls can be used as a sustainable substitute for perlite in growing media, reducing the need for plant growth regulators and energy-intensive mining processes. The findings have potential to increase profits for rice growers and reduce costs for greenhouse plant growers.
A new study found higher progression-free survival rates for HPV-positive head and neck cancer patients treated with cetuximab and intensity-modulated radiation therapy (IMRT). Patients showed a 100% one-year progression-free survival rate compared to 31% for those without HPV.
A University of Iowa study reveals that young men vary in their ability to remember sexual cues, with good-looking women being more easily recalled. Men with a history of serious relationships perform better, while those with higher aggression scores do worse.
A vast amber deposit from western India has revealed a new light on the history of the sub-continent, challenging the assumption that India was an isolated island-continent. The discovery indicates that tropical forests are older than previously thought and have close evolutionary relationships with fossils from other continents.
The new fog warning system provides reliable services and saves socio-economic costs, with a forecasted cost-benefit ratio of 9.4, indicating it pays itself back ten times over within ten years. The system has demonstrated minimal service breaks and real-time functionality.
Four young researchers from TUM have developed a sensor technology that can measure mechanical loads on rotor blades, enabling real-time optimization of energy generation. The EXIST research transfer grant will help the team start their own business and expand renewable energy facilities.
Groopman's research identified the link between environmental carcinogens and liver cancer, providing new prospects for prevention in high-risk populations worldwide. His work elucidated the role of aflatoxins in inducing hepatocellular carcinoma, a major cause of mortality in developing countries.
A randomized trial involving 17 black-owned barbershops in Dallas County, Texas found that the enhanced barber-based intervention resulted in greater improvement in hypertension control. The control rate for patrons with hypertension increased from 33.8% to 53.7%, an increase of 19.9%.
The Virginia Tech team is studying the effects of the Deepwater Horizon oil spill on piping plover populations, collecting data on survival and migration patterns in oiled and unoiled areas of the Gulf. The research aims to inform restoration efforts and provide valuable insights for litigators seeking settlements for damage lawsuits.
Routine prostate cancer screening significantly reduces the risk of metastatic disease within 10 years after treatment. Men diagnosed post-screening had a lower risk of spreading cancer compared to those treated prior to widespread screening.
A study found that obese children have stiff blood vessels similar to those of older adults with cardiovascular disease. The aortic stiffness is an early indicator of cardiovascular disease in obese children, suggesting accelerated aging.
Stereotactic radiation is a proven alternative to surgery or anti-epileptic drugs for treating trigeminal neuralgia in MS patients. The study shows that radiosurgery using Gamma Knife is highly effective in reducing pain and improving quality of life for those affected.
Women who inherit BRCA1 or BRCA2 gene mutations from their father are at increased risk of breast and ovarian cancer, yet this risk is often overlooked. A study found that patients with a paternal family history of cancer were 5 times more likely to be referred for genetic testing than those with a maternal family history.
Researchers from Imperial College London describe a tabletop instrument that produces synchrotron X-rays with energy and quality comparable to some of the largest X-ray facilities in the world. This development could enable more precise investigations at higher resolutions, benefiting scientific and medical advances.
Conservation programs in China's Wenchuan County preserved forest cover after the 2008 earthquake, protecting endangered species like the giant panda. The research found that expansive national conservation efforts reduced natural disaster damage and human impacts.
MIT neuroscientists identify a 'chain reaction' of brain activity that controls the timing of song in birds, with individual neurons firing at precise intervals to produce a stereotypical song. The study's findings support the 'synfire chain' model, where each neuron triggers the next, like falling dominos.
A new surgical procedure using Kryptonite superglue has improved the recovery of heart patients after open-chest surgery, accelerating healing and reducing complications. The adhesive allows for new bone growth, enabling patients to breathe deeply without powerful painkillers.
A study published in Nature Medicine found that bitter compounds can open lung airways better than current asthma treatments. The researchers discovered taste receptors in the lungs that respond to bitter substances, which could lead to new therapies for asthma and other obstructive lung diseases.
Researchers have discovered a protein called PIM-1 that can serve as an early warning system for pulmonary hypertension, allowing for earlier diagnosis and potentially more effective treatment. Gene therapy has also been shown to reverse the condition by blocking the inappropriate activation of this protein.
Researchers suggest vancomycin as the better treatment option for managing hospitalized patients with cellulitis, showing improved outcomes and discharge times compared to B-lactam antibiotics. The study found that intravenous vancomycin treatment was associated with faster recovery and reduced hospital stay duration.
A new study by the National Institute of Environmental Health Sciences found that succimer does not effectively remove mercury from the body. Despite lower blood concentrations after one week, continued therapy over five months showed only a slight slowing of mercury accumulation.
A University of Illinois study shows that sulforaphane, a powerful cancer-fighting agent in broccoli, can be released by bacteria in the lower gut and absorbed into the body. This discovery raises the possibility of enhancing the activity of these bacteria to increase broccoli's cancer-preventive power.
Researchers introduce new ways to encourage at-risk groups to visit a dermatologist, using age threshold and payment system. The initiatives aim to improve early diagnosis and treatment, reducing deaths and costs associated with skin cancer.
The University of California, Davis is part of a consortium co-hosting the new Southwest Climate Science Center. Researchers say signs of climate change are prevalent in the region, including rising temperatures, earlier snowmelt, and increasing precipitation intensity.
Studies show that adding radiation to hormone therapy for prostate cancer increases survival chances, while aspirin use reduces risk of cancer death. Prostate cancer screening improves quality of life by catching the disease earlier, and radiation before surgery keeps colorectal cancer from returning.
The updated Strategic Research Plan identifies seven high-priority initiatives, including automated technologies for stem cell research and clinical research enterprise enhancements. These initiatives aim to strengthen existing research areas while exploring new ones.
Researchers at LSU Health Sciences Center New Orleans have discovered that two brain proteins, Gαq and Gαz, act as valves to regulate vasopressin secretion and water retention in salt-sensitive hypertension. This finding may lead to new treatment options for high blood pressure, congestive heart failure, and cirrhosis of the liver.
Researchers Jacinta Conrad and Jeff Rimer have papers featured in consecutive issues of Science, exploring new method for bacteria to move and developing potential drug targets for L-cystine-based kidney stones. Their work has implications for industries such as food production and military transport.
Two researchers, Dr. Matthew Poy and Dr. James Poulet, have been awarded $1.5 million starting grants from the European Research Council to improve diabetes treatment and understand brain function.
Researchers enabled by AFOSR's YIP program developed state-of-the-art detection and evasion algorithms to block known and future attacks on Air Force computer networks and wireless systems. The new technology will enhance network security with high accuracy and speed.
Researchers at UC San Diego are developing a national center for biomedical computing, iDASH, to share anonymized data and create novel algorithms. The grant aims to democratize science and bridge the computational divide between institutions.
A variant of last year's pandemic influenza linked to fatal cases carried a mutation that enabled it to infect a different subset of cells lining the airway, impairing the lungs' clearing mechanism. The study suggests that this mutant virus could have made the illness more severe and fatal.
Two companion studies found that 72% of patients were misdiagnosed with pneumonia upon readmission, leading to overuse of antibiotics and increased healthcare costs. The misdiagnoses were more common among African-Americans and those with lung disease or smoking history.
USDA scientists have developed vaccines to protect farm-raised catfish against key diseases, including Streptococcus iniae and S. agalactiae. The modified live vaccine has been shown to create a lifelong immunity in fish, with previous research breakthroughs benefiting the catfish industry.
A new Cornell University study shows that simple changes like moving fruit to a colorful bowl and creating a speedy 'healthy express' checkout line can significantly increase the sale of healthy options. The research also highlights the importance of making healthy foods more convenient, visible, and appealing to kids.
Cyclone Giri made landfall in Burma as a Category Four cyclone, bringing powerful winds and heavy rainfall. The storm's eye was approximately 20 nautical miles wide, with wind speeds reaching up to 155 mph.
The Rice University think tank aims to recycle carbon dioxide into useful products, partnering with energy companies to make carbon a profitable resource. Strategies include repurposing CO2 as a feedstock for chemicals or sequestering it in oil wells.
Astronomers using space telescopes have discovered a previously unknown brilliant X-ray explosion in the Milky Way galaxy, named MAXI J1409-619. The object, a binary system, was revealed to be emitting massive blasts of X-rays after being detected by an instrument on the International Space Station.
A Swiss study by Empa found that energy-saving lamps have a larger ecological footprint due to electronic circuitry, but recycling reduces environmental effects. The production of incandescent bulbs has a negligible impact on the environment, while usage and power source are major factors.
The National Science Foundation has recognized three projects with Breakthrough Awards: an artificial retina restoring sight to the blind; a system using controlled rocking to help buildings withstand earthquakes; and a low-cost medical microscope for detecting malaria-infected blood cells.