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NASA astronauts Sunita “Suni” Williams and Barry “Butch” Wilmore have been on the International Space Station since June, even though…

Years before tau tangles show up in brain scans of patients with Alzheimer’s disease, a biomarker test developed at the…

DENTON, Texas — With the college football season finally in the books, we can now turn our attention to the…

A study of more than 30,000 British adults diagnosed with attention deficit hyperactivity disorder, or A.D.H.D., found that, on average,…