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Older adults who changed the balance of fat, carbohydrates, and animal protein in their diets showed signs of reduced biological age after just four weeks. The strongest result appeared in participants eating an omnivorous, lower-fat, higher ...

Simply smelling chocolate helped men complete more leg extension repetitions without making the workout feel harder, with dark chocolate producing the strongest effect. The researchers think familiar food aromas may influence appetite and motivation ...

Scientists have uncovered sweeping changes in how the human brain controls and organizes its genome beginning in midlife, offering new clues to why aging sharply increases the risk of Alzheimer's and other neurodegenerative diseases. One of the ...

The flesh eating New World screwworm has returned to the United States, threatening livestock, wildlife, pets and potentially people as it spreads north. A new UC San Diego tracking system aims to predict where the parasite could strike next while .. ...

A major analysis of 139 clinical trials involving nearly 10,000 people suggests that some of the simplest treatments may work best for knee osteoarthritis. Knee braces ranked highest overall for reducing pain, stiffness, and mobility problems, while ...

A newly discovered communication system in the microscopic "antennae" of cells may help explain how some congenital heart defects develop. When genetic mutations disrupt this system, the effects may extend beyond the heart to organs including the ...

Ancient DNA reveals that plague was already killing hunter-gatherers in Siberia 5,500 years ago, long before cities and flea-driven epidemics. The prehistoric strains may have been especially dangerous because they carried a genetic factor capable of ...

Cancer rates are rising in adults under 55, and new research suggests accelerated biological aging may be one piece of the puzzle. Scientists found that people from more recent generations tended to have bodies that appeared biologically older than . ...

Scientists have discovered that the brain's short-range wiring may help protect cognition even as gray matter shrinks with age. Healthier connections just beneath the brain's surface were linked to better language skills and appeared to weaken the .. ...

A wearable device has revealed nighttime hormone surges that may expose a frequently missed cause of high blood pressure. The discovery could help explain why primary aldosteronism often escapes standard blood tests and point toward a more accurate . ...