A recent spike in online discussions has led to growing speculation about a serious condition that social media would have us ...

When you think about multiple personalities, what is the first thing that comes to your mind? For many, it is a disturbing picture from a Hollywood film about a deranged and sociopathic murderer.

Researchers have traced the earliest stages of multiple sclerosis (MS), showing that the immune system begins attacking the brain up to seven years before diagnosis.