It's easier than ever for doctors to prescribe a key medicine for opioid addiction since the U.S. government lifted an obstacle last year. But despite the looser restrictions and the ongoing overdose crisis, a new study finds little change in the number of people taking the medication.

A recent study published in Nature Mental Health shows that a healthy, balanced diet is linked to superior brain health, cognitive function and mental well-being. The study, involving researchers at the University of Warwick, sheds light on how our food preferences not only influence physical health but also significantly impact brain health.

An early marker of multiple sclerosis could help doctors figure out who will eventually fall prey to the degenerative nerve disease, a new study says.