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A gene involved in the brain's overnight cleaning system may change how strongly poor sleep affects Alzheimer's-related brain changes. The findings point toward more personalized prevention strategies based on both genetics and sleep habits.

New research challenges the decades-old idea that children experience an "adiposity rebound" when their BMI begins rising around age 6. Although BMI returns to earlier levels, a more reliable measure showed that body fat does not rebound at all. The ...

A person's sleeping brain may reveal warning signs of dementia long before memory problems begin. Researchers used machine learning to analyze EEG recordings from about 7,000 adults and found that an older-than-expected "brain age" was tied to a ...

Researchers have uncovered a possible biological pathway connecting obesity to Alzheimer's disease. Obesity appears to raise levels of certain fat molecules that can travel to the brain, disrupt its immune defenses, and promote harmful amyloid ...

Keeping a regular daily schedule may help reduce pain and depression, especially among older adults with insomnia. Researchers found that consistent times for waking, eating, socializing, and sleeping were linked to better well-being regardless of .. ...

A compound in rice bran may help calm an overactive gut by reducing the calcium signals that cause intestinal muscles to contract. Ferulic acid suppressed contractions triggered by several chemical messengers in laboratory experiments. The discovery ...

Taking a daily multivitamin may help older adults preserve the strength and stamina needed for everyday activities. After three years, users reported better functional health than those taking a placebo, although the preliminary findings still ...

A liquid brushed onto cavities in seconds may spare many young children from pain, infection, and surgery. A major U.S. trial found that silver diamine fluoride stopped decay in more than half of treated baby teeth. The treatment requires no drilling ...

Signals traveling from the gut to the brain may help turn meals into lasting memories. Rats showed stronger memory activity after consuming nutritious foods, but not after drinking sweet liquids with little or no nutritional value. Blocking the vagus ...

A new cooking method could make French fries crispier in less time while significantly limiting how much oil they absorb. Researchers propose combining microwave heating, which keeps oil out, with conventional frying, which provides the crunch ...