Why do Americans love football so much? a sociologist weighs in

It's suggested that Americans' shorter attention spans make football a more popular choice than something like baseball.

Here's how happiness and TV viewing are linked—and what you can do to help sustain long-term well-being.

Learn what factors affect life expectancy in the U.S.

From pheromones to a full night’s rest, here’s a glimpse into the psychology of love and attraction.

Research shows that girls may be at higher risk of concussions than boys, but why?

Get the facts on startling health trends and learn ways to reduce your risk.