Health, medicine, wellness, and the science of living well.
For most adults, a daily caffeine habit may be safer for the heart than many people assume. A new American Heart Association review found that up to 400 milligrams of caffeine a day, roughly three to
NPR's Life Kit breaks down what you really need to know about skincare.
Testosterone is getting a lot of attention lately. The military just announced it will screen service members for low testosterone. Meanwhile, the Trump administration wants to expand access.
Confusion about the source of the outbreak and uncertainty about when it might be contained puts the onus on consumers to protect themselves.
Watching television very often in midlife may be linked to troubling brain changes decades later. In a study of about 1,700 adults, frequent TV viewers later showed smaller brain regions involved in m
The FDA retracted its only positive test for cyclospora, the parasite at the center of a multistate outbreak, on Taylor Farms lettuce. But the agency believes lettuce from the brand is still linked.
Under the Trump administration, dozens of advisory committees have been ended or frozen, including one on controlling infection in healthcare settings.
Scientists studying decades of pygmy sperm whale strandings have uncovered three previously unknown types of Helicobacter bacteria hiding in the animals’ stomachs. All four infected whales showed seri
Scientists uncovered how influenza A commandeers human cells, including a surprising strategy that dissolves tiny structures in the nucleus and releases proteins the virus may use to reproduce. The de
A naturally occurring compound found in foods such as wheat germ, mushrooms, and aged cheese may help older adults build stronger protection after vaccination. In a small pilot trial, researchers gave
Scientists have developed a fully human antibody that halted the growth and spread of aggressive prostate cancer in preclinical research. Although more testing is needed, the drug’s unusual mechanism
The FDA says the test identifying cyclospora in Taylor Farms iceberg lettuce was a "false positive." But the lettuce is still linked epidemiologically to cases of the illness in a multistate outbreak.
Scientists have discovered a hidden warning sign of skin damage that appears before collagen fibers visibly thin, break, or lose their connections. Using advanced light-based techniques, the team foun
Researchers have uncovered a surprising culprit behind sleep loss in Alzheimer’s disease: the brain’s own immune cells. In mice with amyloid plaques, overactive microglia triggered inflammation that k
Sales of avocado oil and products made with it are booming as consumers willingly pay a premium, drawn by the oil's health halo. New research finds many products actually contain other, cheaper oils.
A protein called SORLA may act as a powerful defense against the toxic tau tangles involved in Alzheimer’s disease. Mice with extra SORLA had less tau accumulation, less brain atrophy, and healthier c
Scientists have redesigned zinc oxide particles to create a mineral sunscreen that protects against ultraviolet radiation without leaving such a noticeable white cast. The SPF 30 formula could make su
The mysterious sound known as The Hum has been reported worldwide for decades, yet its source often remains impossible to find. Researchers tested whether people who hear it have exceptional low-frequ