I found this in the Jan. 25 issue of the Archives of Internal Medicine." "I like to see this laid out, but every bit of information [already] suggests that being active is the healthier way and being inactive is the abnormal, unhealthy way," said James O. Hill, professor of pediatrics and director of the Center for Human Nutrition at the University of Colorado at Denver. "Exercise is better than any drug or anything else we have for aging. There's no downside. If this were a drug, it would be the safest, most effective drug in the universe."
The study had 3 others with it, all with the same result: If exercise were a drug, it would be the best drug you could ever take! Even walking and other low to moderate-intensity exercises lowered the risk for chronic diseases, heart trouble and cognitive impairment, the study found.
So women, don't be intimidated to do some light resistance training, jogging, or even tennis. By all means, ease into it, but don't put it off just because you are scared!