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An eight-year Finnish study found that children who spent more time on screens tended to show better cognitive processing as teenagers, challenging common assumptions about screen use. Researchers say the key may be balancing physical activity with . ...

An experimental Alzheimer's compound prevented damaging protein clumps from forming in the brains of mice, helping nerve cells survive longer and reducing amyloid buildup. The treatment also appeared to improve heart health and slow some signs of ...

A centuries-old heart drug costing less than ten cents a day could help keep heart-failure patients out of the hospital. New research suggests low-dose digoxin can reduce heart-failure hospitalizations by about 25%, potentially paving the way for its ...

Exercise and healthy blood sugar levels in midlife may help slow cognitive decline decades later. Physical activity appeared especially beneficial for Mexican American adults, suggesting that some brain-protective factors may differ across ...

Aging gradually wears down the cartilage and fluid that protect our joints, but avoiding movement may actually make matters worse. Exercise helps nourish cartilage, strengthens the muscles that protect joints, and can reduce osteoarthritis pain. Low ...

As we age, the body appears to sacrifice walking efficiency in exchange for stability. Older adults stiffen the ankle more with each step, which may help prevent falls but also forces the muscles to work harder while producing less forward motion. .. ...

COVID-19 can reactivate dormant viruses hiding in the body, including Epstein-Barr, cytomegalovirus, and several herpes viruses. One poorly understood viral family was strongly associated with long COVID and lasting disability, offering a potentially ...

Rising carbon dioxide in the atmosphere may be leaving a measurable imprint inside the human body. Researchers analyzing more than two decades of U.S. health data found that blood bicarbonate levels have climbed about 7% since 1999, while calcium and ...

Gut microbes need something to eat, and when fiber is limited, they may begin consuming proteins from the mucus lining that protects the gut. Researchers found that fiber can suppress this process, while indigestible plant proteins help microbes ...

A widely available food-preservation chemical is emerging as a disturbing factor in rising UK suicide deaths, particularly among younger people and men. Researchers say the scale may be underestimated and are calling for urgent restrictions on access ...