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An international study has significantly expanded the number of genetic factors known to play a role in age-related macular degeneration (AMD), a leading cause of vision loss among people age 50 and older. Researchers hope the findings may help improve the understanding of the biological processes…

Elite runners do not experience the muscle weakening associated with aging as non-athletes do. A new study examines if their superb fitness is because their muscles have not aged.

Researchers have shed light on the hereditary elements across 12 cancer types -- showing a surprising inherited component to stomach cancer and providing some needed clarity on the consequences of certain types of mutations in well-known breast cancer susceptibility genes, BRCA1 and BRCA2.

In some cases of vestibular schwannoma, a sometimes-lethal tumor often associated with neurofibromatosis 2 (NF2), secretions from the tumor contain toxic molecules that damage the inner ear. The findings explain why some vestibular schwannomas cause hearing loss even though they are not large…

Are humans the only ones who are able to remember events that they had experienced and mentally time travel not only into the past but also the future? Or do animals have the same capacity? To a certain extent they do, according to three researchers who are contributing a new theoretical model to…

Scientists have for the first time viewed how bacterial proteins self-assemble into thin sheets and begin to form the walls of the outer shell for nano-sized polyhedral compartments that function as specialized factories. The new insight may aid scientists who seek to tap this natural origami by…

When meals at Disney World restaurants came with a fruit or vegetables instead of fries, about half of diners opted to keep the healthier option, a new study has demonstrated.

A commonly used drug for the treatment of diabetes, metformin, may have the potential to prevent and treat preeclampsia, researchers report. Metformin has long been used to treat diabetes in both non-pregnant and pregnant patients, and is considered safe during pregnancy.

Evidence has been found that economic opportunity -- the prospect that individuals may be able to improve their economic status -- may have important effects on the health of a community. The researchers found that mortality rates were higher and that risk factors like obesity and smoking and the…

A crackdown on Florida's 'pill mills' -- clinics dispensing large quantities of prescription painkillers often for cash-only and without proper medical examinations -- appears to have dramatically reduced the number of overdose deaths in the state from these drugs and may have also led to a drop in…

Group prenatal care can substantially improve health outcomes for both mothers and their infants, a new study has found. Women who received group -- rather than individual -- prenatal care were 33% less likely to have infants who were small for gestational age, had reduced risk for preterm delivery…

Although using the radial artery as the access point for angioplasty has been linked to reduced bleeding compared to use of the femoral artery, only a small number of high-risk heart attack patients who undergo rescue angioplasty -- emergency procedures following failed therapy with clot-busting…

Researchers have shown that material purchases, from sweaters to skateboards, provide more frequent happiness over time, whereas experiential purchases, like a trip to the zoo, provide more intense happiness on individual occasions.

In this blog post, Dr. John S. Williamson congratulates NCCIH grantee Dr. Christina Smolke and her colleagues for engineering a yeast strain capable of synthesizing opioids.

Humans haven't learned much in more than 2,000 years when it comes to religion and politics. Religion has led to social tension and conflict, not just in today's society, but dating back to 700 B.C. according to a new study.

A new study shows how a protein involved in cancer twists and morphs into different structures. This protein has many functions and, when mutated, has been shown to interfere with cells' normal tumor suppressing ability.

A fast-acting medication without side effects is needed for depression, and a new research finding may be one step toward such a novel medication.

Immune suppressor cells called MDSCs (myeloid-derived suppressor cells) may be important in developing treatments for advanced prostate cancer, according to a new study.

The world of epigenetics -- where molecular 'switches' attached to DNA turn genes on and off -- has just got bigger with a new discovery that suggests that many more DNA modifications than previously thought may exist in human, mouse and other vertebrates.

A butterfly-shaped pigment accumulation in the macula of the eye, which can lead to severe vision loss in some patients, is due to mutations in the alpha-catenin 1 gene (CTNNA1), an international research consortium reports.

For the first time, a study has demonstrated a genetic convergence between cognition and neurodevelopmental disorders in the human brain. These findings provide an alternate starting point for scientists to develop therapies for such disorders.

Chronic inflammation can cause regenerating cells to grow into new, aberrant types; this is called metaplasia, and is a disorder linked to prolonged inflammation. A new study highlights a new concept of chronic inflammation and could lead to better treatments.

A majority of hematologic oncologists report that end-of-life discussions happen with patients with blood cancers too late, according to an article.

Chronic overeating and stress are tied to an increased risk of depression and anxiety, and in a new study, researchers explain why that happens and suggest a possible solution. The researchers report that the anesthetic ketamine reverses depression-like symptoms in rats fed a high-fat diet in a…

The number and percentage of patients treated at emergency departments for hypertension are on the rise across the United States, according to a new study.

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