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A UCLA study in mice reveals that aging muscle stem cells accumulate a protein that slows repair but boosts survival. This protein, NDRG1, acts like a brake, preventing cells from activating quickly after injury. When researchers blocked it in older ...

People whose sugar intake was restricted before birth and in early childhood had markedly lower rates of heart disease later in life. Compared to those never exposed to rationing, their risks of heart attack, stroke, heart failure, and cardiovascular ...

Scientists at Stanford Medicine have unveiled a bold new kind of "universal" vaccine that could one day protect against everything from COVID-19 and the flu to bacterial pneumonia and even common allergens. Instead of targeting a specific virus or .. ...

Babies born in the early 2000s were exposed in the womb to far more "forever chemicals" than researchers once realized, according to a new study. By using advanced chemical screening on umbilical cord blood, scientists detected 42 different PFAS ...

Scientists have created a blood test that can estimate when Alzheimer's symptoms are likely to begin. By measuring a protein called p-tau217, the model predicts symptom onset within roughly three to four years. The protein mirrors the silent buildup ...

A sweeping new scientific review suggests that pecans -- America's native nut -- may pack more heart power than many people realize. After analyzing over 20 years of research, scientists found consistent evidence that eating pecans can improve key .. ...

Chronic wounds often spiral out of control because oxygen can't reach the deepest layers of injured tissue. A new gel developed at UC Riverside delivers a continuous flow of oxygen right where it's needed most, using a tiny battery-powered system. In ...

Flea and tick medications trusted by pet owners worldwide may have an unexpected environmental cost. Scientists found that active ingredients from isoxazoline treatments pass into pet feces, exposing dung-feeding insects to toxic chemicals. These ...

Deep inside a Romanian ice cave, locked away in a 5,000-year-old layer of ice, scientists have uncovered a bacterium with a startling secret: it's resistant to many modern antibiotics. Despite predating the antibiotic era, this cold-loving microbe .. ...

Researchers have mapped the genetic risk of hemochromatosis across the UK and Ireland for the first time, uncovering striking hotspots in north-west Ireland and the Outer Hebrides. In some regions, around one in 60 people carry the high-risk gene ...