"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Many chronic health conditions can be difficult or impossible to recognize just by looking at a person or ...

Symptoms of depression fluctuate over time, but many brain imaging studies of the condition only study one point in time. That’s made it hard to connect networks of brain activity to various symptoms ...

We often discuss depression and dementia separately, although scientists have long observed a connection between the two: People with depression appear to have a higher likelihood of developing ...