Audrey Carlsen

What you do while you're asleep may say something about your cognitive function later in life.

Here's why. Mayo Clinic researchers report that having a condition called REM sleep behavior disorder, in which you act out dreams in your sleep, appears to be a harbinger for something called

Plenty of us got our fill of green-colored food on St. Patrick's Day. (Green beer, anyone?) But for some people, associating taste with color is more than just a once-a-year experience.

These people have synesthesia — a neurological condition in which stimulation of one sense (e.g., taste) produces ...

It happens to the best of us. You drink one too many cups of coffee and, for the next few hours, you end up acting like a hyper preschooler who just can't sit still.

Which can be pretty inconvenient if it's, say, noon and you're at the office, or ...

Feeling a little awkward? Consider skipping the alcohol and grabbing a pet instead.

As any dog walker knows, it's easy — unavoidable, even — to strike up conversations with strangers when accompanied by a canine friend. Smaller animals like rabbits and turtles can also lubricate social interactions.

Given ...