Fitness experts are shining a new light on group classes from Zumba to yoga because they believe the right lighting can transform the four walls of a fitness studio.

Special K is a diet food empire.

Defribillators worked when needed despite the physical exertion in a new study.

Long queues quickly formed at already stretched hospital emergency rooms.

This year, the U.K. has had more than 1,200 cases of measles.

In a new study, men with a history of ADHD were 19 pounds heavier than their non-ADHD counterparts.

WHO says only 12 known cases of yellow fever after vaccination have ever been identified.