high-intensity training

(Newser) - On the whole, working out is good for people. But when digging into the numbers, researchers have found a wide range of responses to regimens: Some people reap tremendous benefits, while others actually regress in their fitness, reports the New York Times . But new research suggests that these so-called "...

(Newser) - Not feeling up for a half-hour on the bike? Can't find the time to jog or walk a few miles? Good news out of Abertay University in Scotland, where researchers put 12 retired people to the test. Coming in twice a week for six weeks, the volunteers, all over...