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A new theory suggests many age-related diseases may actually start decades before symptoms appear. Researchers say early-life damage -- from infections, injuries, or genetic mutations -- can remain hidden until aging weakens the body's ability to ...

Many people avoid learning a new language because they remember stressful grammar lessons or fear making mistakes. But language experts say communication, culture, and connection matter far more than perfection. Modern apps, entertainment, travel, .. ...

Eating too much junk food early in life may rewire the brain in ways that last into adulthood, even after switching to a healthier diet. Scientists found that high-fat, high-sugar diets changed feeding behavior and disrupted appetite-control regions ...

A huge international review found that GLP-1 weight-loss drugs significantly reduce the risk of heart attacks, strokes, heart failure, and premature death over the long term. Researchers say these medications could become a major weapon against ...

Scientists have uncovered alarming new evidence that a common insecticide may leave lasting marks on the developing brain before a child is even born. Researchers studying New York City children found that prenatal exposure to chlorpyrifos -- a ...

Scientists have unveiled a powerful new tool called PerturbFate that could change how researchers tackle diseases driven by huge numbers of genetic mutations, including cancer and Alzheimer's. Instead of trying to target every faulty gene ...

Researchers discovered that leucine, a nutrient found in protein-rich foods, can supercharge mitochondria by protecting crucial energy-producing proteins inside cells. The breakthrough uncovers a powerful new link between diet and cellular energy -- ...

MIT scientists have identified cysteine -- an amino acid found in foods like meat, dairy, beans, and nuts -- as a potent trigger for intestinal repair. In mice, a cysteine-rich diet activated immune cells that released healing signals, helping stem . ...

Women may be especially sensitive to the effects of common dementia risk factors, according to a new UC San Diego study of over 17,000 adults. Researchers say tailoring prevention strategies specifically for women could be key to reducing Alzheimer's ...

A newly identified enzyme called IDOL could become a major new target in the fight against Alzheimer's disease. Researchers found that removing it from neurons sharply reduced amyloid plaques and improved key brain processes linked to resilience and ...