Interval training
DP on Mar 5th 2010
Interval training can cut exercise hours sharply
AP – A woman exercises in a gym in central London, Thursday, Feb. 25, 2010. (AP Photo/Sang Tan)
By MARIA CHENG, AP Medical Writer Maria Cheng, Ap Medical Writer – Thu Feb 25, 7:04 pm ET
LONDON – People who complain they have no time to exercise may soon need another excuse. Some experts say [...]