41.   The new study is further evidence of the value of vigorous exercise for those who are able to pursue it, Lee said.

42.   The vigorous exercise, which they began aboard Mir, is intended to bolster their cardiovascular conditioning.

43.   They are used to replace energy before, during and after vigorous exercise.

44.   This effect of vigorous exercise was seen even in men who smoked or were overweight, although those with neither of these health-robbing factors did better.

45.   To avoid having to deceive women, Palace used biofeedback after the women had jump-started their nervous systems with vigorous exercise.

46.   Toned to perfection, Gellar, who is just shy of a martial arts brown belt, fits a vigorous exercise regimen into her schedule.

47.   Vigorous exercise is good for people with arthritis.

48.   Vigorous exercise at a young age reduces the risk of everything from heart and vascular disease to osteoporosis, lower back troubles, and even breast cancer.

49.   Vigorous exercise creates the same kind of nervous-system arousal, according to a series of studies Meston conducted in Vancouver.

50.   You can boost GH levels naturally with vigorous exercise such as weight training.