It’s not concussions that cause CTE. It’s repeated hits, a study finds

The neurodegenerative disease chronic traumatic encephalopathy can start early and without any signs of concussion, according…

Why it’s so hard to treat dementia

Finding a cure for neurodegenerative diseases such as Alzheimer's is challenging. They're difficult to diagnose, and…

See some of Puerto Rico’s uncounted dead

Puerto Rico says the hurricane killed 55 people, but funeral homes claim the storm caused nine…

Man confesses to 1993 killing in TV interview

A California man was arrested in connection to a 1993 killing after making a confession.

5 myths about getting pregnant

CNN's Kyra Phillips and Dr. Jamie Grifo, who wrote "The Whole Life Fertility Plan," debunk five…

Testing fertility with a smartphone app

Medical researchers at Massachusetts General, Brigham & Women's Hospital, and Harvard Medical School have devised a…

College football returns and so do these odd pre-game rituals

Ever since the first American football game in 1869, teams and their fans have concocted rituals…

10 things that happen before your plane can take off

Sitting in the terminal building waiting to be called for our flight is a regular occurrence…

See home of N. Korean Workers’ Party member

A loyal follower of Kim Jong Un, party member Mun Gang Sun decorates her home with…

5 of the biggest data breaches

On Thursday, credit-reporting company Equifax disclosed that they had experienced a major data breach, affecting up…