A Harvard study found that adult occupational class has a significant impact on health outcomes, even after accounting for early childhood conditions and education level. Working-class twins were more likely to experience high blood pressure, cholesterol levels, and lower self-rated health compared to their professional counterparts.
The human brain employs complex responses for recollection, making it challenging to optimize advertising effectiveness. Research suggests that varying spacing repetitions can strengthen memory traces and improve recall.
Researchers have developed a new statistical method to identify linked genomic loci influencing gene expression in yeast, revealing 37% of gene expression traits link to two loci. The technique bypasses overwhelming computations and provides insights into the genetic basis of complex traits.
Researchers found evidence that specific variants of a bitter-taste receptor gene were strongly favored in early human evolution, leading to increased sensitivity to toxic compounds. This suggests a pivotal role for bitter-taste perception in toxin avoidance in humans.
The North Atlantic right whale population is in a state of crisis, with 50 whales reported dead since 1986, mainly from human activities like ship collisions and entanglement in fishing gear. To prevent extinction, researchers recommend emergency measures such as reducing ship speeds and eliminating fixed fishing gear.
Research finds that exposure to political messages within churches increases protest behaviors among black people without a college education or those not part of secular organizations. Church participation does not significantly impact involvement in protests, but rather secular organization membership and education do.
The UCSF Center will expand its master's and doctoral programs, collaborate with community organizations, and develop leadership skills for graduate students. The new funding aims to meet the growing demand for gerontological nurses and promote the health and independence of America's older adults.
Researchers at Johns Hopkins Medicine have successfully treated heart attacks in animals using adult mesenchymal stem cells. The goal is to develop a widely applicable treatment to repair and reverse heart muscle damage caused by infarction.
Researchers at Vanderbilt University have created a new approach to tissue engineering that allows for the growth of predictable volumes of bone on demand. This method involves creating a 'bioreactor' space under the periosteum, a thin outer layer covering long bones, and filling it with a gel containing calcium to stimulate bone growth.
Scientists have discovered eerie-sounding radio emissions from Saturn's auroras using Cassini spacecraft data. The study provides high-resolution measurements allowing audio recordings of the radio waves, offering clues about the source of the emissions.
Researchers found cheaper combination of drugs equally effective as artemisinin-based treatment in preventing recurrent malarial infections. In sites with high transmission rates, the cheaper combination worked better, highlighting cost as a major concern.
A recent study suggests that Gulf War veterans may be at a greater risk of developing brain cancer, potentially linked to exposure to nerve agents during the conflict. The National Academies of Sciences, Engineering, and Medicine report highlights the need for further research into this potential health consequence.
University at Buffalo scientists developed nanoparticles that delivered genes to adult brain stem/progenitor cells in vivo with no observable toxic effect. The technique may allow repairing brain cells damaged by disease, trauma, or stroke. This breakthrough demonstrates the potential for non-viral vectors in gene therapy.
Researchers found that many cancer survivors make significant modifications in diet and physical activity after a diagnosis. Despite this, many continue to struggle with healthy behaviors, particularly males, less educated individuals, and those over 65.
A new study explores how consumers perceive risks in natural vs medicalized childbirth, revealing cultural anxieties over technology and loss of autonomy. The research highlights the struggles consumers face when approaching childbirth and the risks associated with both natural and medicalized methods.
Researchers discover KDI tri-peptide can block glutamate's damage in degenerative brain diseases, potentially leading to paralysis reversal and nerve regeneration. Human clinical trials expected to begin next year, with no toxic side effects seen so far.
Recent studies suggest that multiple rare mutations within a single gene may increase risk for autism. The SERT gene regulates brain levels of serotonin, which is involved in various biological processes and has been found to be elevated in about 25% of people with autism. SSRIs have improved some symptoms, leading scientists to propos...
Researchers have identified a protein, heterogeneous ribonucleoprotein K (hnRNP K), that plays a crucial role in the replication of the Hepatitis B virus. This discovery offers new therapeutic opportunities by targeting human proteins involved in viral replication, providing hope for the treatment of chronic Hepatitis B infections.
Commonly used disease models may make overly optimistic predictions about the levels of public health interventions needed. Researchers found that ignoring the latent period or assuming unrealistic distributions can result in underestimating transmission potential. The study emphasizes the need to consider these factors when making qua...
Researchers found that hospitals performing over 10 cystectomies per year had statistically significant lower mortality and morbidity rates. Additionally, hospitals with a high nurse-to-patient ratio reduced post-operative mortality by more than 50 percent regardless of the hospital's cystectomy volume.
Researchers tracked coral reef fish larvae using DNA paternity analysis and marking with tetracycline, finding that one third settled within a two-hectare area near their birth site. This study documents the smallest scale of dispersal for a marine fish species, providing insights into sustainable marine reserve management.
A nationwide study found that immigrants spend half as much on healthcare as native-born Americans, with many receiving lower levels of care. Immigrant children receive significantly less care in doctors' offices and emergency rooms compared to U.S.-born children.
A Mayo Clinic study found that breast biopsy utilization rates remained stable over a 12-year period despite the introduction of new technologies. The study also showed that the ratio between malignant and benign results remained stable at one malignancy for every 2.2 benign results.
Identical twins who differed in social class had significantly higher blood pressure and LDL cholesterol levels compared to their professional counterparts. In contrast, educational attainment differences did not impact health status. This study provides insight into the additional effect of adult experiences on adult health.
A large-scale genomic study found that co-circulating minor variants of the flu virus can exchange genes and create novel, epidemiologically significant strains. This process can lead to an epidemic with just one or two more mutations, challenging the traditional view of epidemic flu.
A study of 9,802 NYC residents found that nearly half are not undergoing timely screening for colon cancer, with lower uptake among African-Americans, women, and those with limited access to healthcare. The researchers emphasize the need for targeted interventions to increase screening rates in poor and uninsured communities.
The study highlights the need for personalized treatment approaches in postherpetic neuralgia. A quantitative systematic review of analgesic therapy found that treatments only worked in selected patients, suggesting a range of underlying mechanisms causing pain in different individuals.
A new study suggests that men over 50 with unexplained ataxia or tremors should undergo testing to check if they have the FMR1 gene, which causes Fragile X-related disorder. The guidelines were developed after a multi-center study found 56 people had received prior diagnoses of other conditions before being correctly diagnosed with FXTAS.
The media's role in spreading health messages is being reevaluated by experts. Journalists have a responsibility to mirror society's needs and issues comprehensively and proportionally. They must investigate and report possible conflicts of interest among sources, citing earlier research and seeking independent expert opinions.
Researchers Sucharita Chandran and Vicki Morwitz found that participative pricing affects consumers' goal-related focus, influencing their cognitions and purchasing decisions. By measuring personal characteristics like perceived control, marketers can tailor offerings to match different consumer types.
Studies have pinpointed a chromosome region and genetic markers for macular degeneration in humans and rhesus monkeys. This breakthrough could lead to better treatments and even a cure by studying the disease's progression in monkeys, which age faster than humans.
Biologists discovered a common corn fungus can launch its spores at incredible speeds of up to 80 miles an hour. The spore travels only two-tenths of an inch before landing due to atmospheric drag, which plays a significant role in the physics of scaling.
A randomized trial of vitamin D3 supplements on postmenopausal black women found no significant difference in bone mineral density. Despite low initial levels of vitamin D, both groups experienced temporary increases in BMD before declines over three years.
Researchers used a novel method to monitor brain activity during blinking, finding that brain areas responsible for visual input are temporarily suppressed. This neural mechanism may help prevent the brain from becoming aware of the eyelid sweeping down over the pupil during a blink.
A new report outlines recommendations for reviewing advanced first-responder resuscitation fluids and adjunct therapies. The study identifies promising products with potential to improve treatment of life-threatening hemorrhage, and provides guidance on product investigations, data inclusion, and funding.
William Yen, a UGA physics professor, has received an international honor for his groundbreaking work on luminescence. He was awarded the ICL Prize for his pioneering advances in understanding optical spectroscopic behavior of solids that emit light or luminescence.
A 24-week clinical trial found that testosterone patches significantly improved sexual desire and frequency of satisfying sexual activity in surgically menopausal women with hypoactive sexual desire disorder. The middle dosage group showed a 67% increase in questionnaire scores for sexual desire compared to the placebo group.
Researchers Bill Kurth and Don Gurnett used Cassini data to study Saturn's kilometric radiation, a phenomenon similar to Earth's northern lights. The higher resolution instrument provided detailed information on the spectrum and its variability, shedding new light on the radio emissions above Saturn's auroras.
Researchers used tendon vibration to induce bodily illusions, altering subjects' sense of touch and highlighting the brain's dynamic and flexible nature. The study sheds light on the constant updating of the internal map that interprets new perceptions.
A gene called TRPS-1 is over-expressed in 90% of breast cancers, making it a potential target for cancer vaccines. Researchers are exploring its role and developing immunotherapy approaches to treat breast cancer.
The study found that consumers' risk preferences are contingent on their self-view, with interdependent self-view consumers choosing less risky alternatives. The researchers suggest that investors can infer their past choices by examining their current decision-making patterns.
Yun-Hwa Peggy Hsieh's patented immunoassay assays detect BSE and Scrape diseases in animal feeds, improving trade relations with China. Her Reveal Ruminant test kit has been widely adopted globally.
A global study found that the ability to discern bitter flavors likely offered a survival advantage by protecting ancient people from poisonous foods. The researchers also discovered that specific genetic variants confer increased sensitivity to toxins and beneficial compounds, with potential implications for human health.
Researchers discover key biochemical tools that cold-adapted bacteria use to survive in subzero temperatures, including cell membranes packed with polyunsaturated fatty acids and protective solutes inside cells. The study also reveals potential industrial applications for cold-hardy enzymes found in the Colwellia psychrerythraea genome.
A study by researchers at the University of Michigan Health System found that patients learned more facts from educational videos than from their doctors during a clinic visit. However, the video was less effective in reducing anxiety and stress levels compared to face-to-face interactions with their doctors.
Researchers at the University of Michigan have identified a receptor, dubbed B5, that plays a crucial role in the herpes simplex virus's ability to infect human cells. The team has developed a pig-cell system that could be used to test new anti-herpes drugs and has discovered that blocking the B5 receptor can prevent viral infection.
Researchers used a fluorescent marker to predict individual life spans of genetically engineered nematodes, revealing up to four-fold variation in lifespan based on stress levels. The study suggests chance metabolic processes dictate aging rates in genetically identical organisms raised in similar environments.
Researchers have identified new genes that regulate aging, with effects on insulin signaling, metabolism, and dietary regulation. Inhibiting these genes increases lifespan in certain organisms, suggesting potential therapeutic applications for age-related diseases.
A study published in PLoS Genetics found that domestic cats have a defective gene coding for the T1R2 protein, which is responsible for detecting sweet tastes. This defect leads to an unavailability of the T1R3 protein, resulting in a non-functional sweet receptor and explaining cats' indifference to sweets.
Cats have no way to recognize carbohydrates, resulting in a diet high in meat and fat. This is due to the pseudogenization of sweet-receptor genes, which prevents cats from tasting sweetness.
Patients taking statins prior to hospital admission with community-acquired pneumonia were 2.8 times less likely to die than those not on statins. Statins' impact on the immune system may contribute to their protective effect on patients suffering from pneumonia.
Researchers at Cold Spring Harbor Laboratory have isolated the ramosa1 gene, which controls flower-bearing branch arrangement in corn. This gene played a key role in suppressing branching in early domesticated corn, leading to straight rows of kernels and compact ears. The study also reveals that plants with different levels of ramosa1...
The study reveals that hyperactive Stat3 shuts down a vital controller of stomach cell growth, leading to cancer formation. Lowering Stat3 hyperactivity suppresses stomach cancer formation without affecting other roles in the body.
A study found that inhaling salt particles causes significant increases in blood pressure, putting factory workers at risk. Wearing protective gear can mitigate this effect.
A team of NASA scientists, led by Dr. Michael King, traveled through Kenya, Tanzania, Uganda, and Eritrea to find locations for AERONET sunphotometers. They identified several ideal sites in East Africa to study aerosols and their effects on climate change.
Researchers found that women have more global AD pathology due to neurofibrillary tangles and experience clinical symptoms of AD nearly 20 times more often than men. This suggests that Alzheimer's disease is stronger in women, potentially linked to estrogen deficiency or other protective factors.
Researchers have identified three small molecules that can inhibit the enzyme CDK5, which contributes to the development of Alzheimer's disease. The discovery is promising news for the development of new treatments for the disease.
Student researcher Christopher Kovalchick used a low-cost technique to test tiny samples of four metal alloys and found that combining platinum with chromium resulted in the greatest strength. The findings are important because pure platinum is too soft for use in durable jewelry, but adding chromium improves its mechanical properties.
The North Atlantic right whale is facing extinction due to the failure of government protections, with at least 50% of deaths attributed to ship collisions and fishing gear entanglements. The species has seen a significant increase in mortality rates over the past 16 months, including six adult females with near-term fetuses.
Research reveals that high TRAIL-R2 expression in breast cancer patients is associated with poorer survival outcomes. The AQUA TM system was used to analyze tissue microarray specimens and identify correlations between receptor expression levels and clinical variables.