Health, Brain | featured news

A new study finds obese people have 8 percent less brain tissue than normal-weight individuals. Their brains look 16 years older than the brains of lean individuals, researchers said today.

Researchers for the first time have linked air pollution exposure before birth with lower IQ scores in childhood, bolstering evidence that smog may harm the developing brain.

The results are in a study of 249 children of New York City women who wore backpack air monitors for 48 hours during the last few months of pregnancy. They lived in mostly low-income neighborhoods in northern Manhattan and the South Bronx. They had varying levels of exposure to typical kinds of urban air pollution, mostly from car, bus and truck exhaust.

Cutting daily calorie intake by 30 percent may put the brakes on the aging process, have beneficial effects on the brain, and result in a longer life span, according to a new 20-year study of monkeys published in the journal Science.

For years after his NFL career ended, Ted Johnson could barely muster the energy to leave his house.