Credit: Every ranger has to take a grueling physical fitness test that goes above and beyond just the regular army test.

Are you fit enough to be an Army Ranger?

Expect more mosquitoes this summer

Goat yoga as the next fitness trend? We kid you not

Drooling, snoring, talking, walking: What your sleep habits reveal about your health

Marine Corps Marathon 10K is returning to the National Mall

Study: ‘Diet’ products might make you fat