Cognitive disorders

Portugal's Eusebio, left, and England's Nobby Stiles have a heading duel for the ball during their World Cup semi-final match at Wembley, London, July 26, 1966.

Former UK football players risk developing dementia at high rates, new study says

Sports

Defenders — who usually head the ball the most — have a five-fold risk of developing a neurodegenerative disease, according to a new study led by UK neuropathologist Dr. Willie Stewart.

Brain dementia

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Health & Medicine

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The World

Health Note/Alcohol & Dementia

Living on Earth’s Diane Toomey reports on a new finding that moderate drinking may ward off some forms of dementia.