From Women's Health (Oct. 08)
"A study of adult premenopausal women found that those who average an extra 4.6 hours per week of moderate exercise (like slow running) or seven hours per week of easy activity (like walking) may lower their risk of breast cancer by 9 percent versus sedentary women, the Journal of the National Cancer Institute reports. Activity lowers levels of hormones related to increased breast cancer risk, such as estrogen and insulin, explains lead investigator Graham Colditz, Ph.D."
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So how does that translate to the time we spend on workouts? Still good, I would think?!
ReplyDeleteI would say that our workouts are more than moderate in intensity, but the article does not talk about benefits for higher than moderate intensity, so I hate to make a guess about what that means. I think what we should take from this is that we need to, at a minimum, do about an hour of easy activity per day, or about 30-45 minutes of moderate activity. Even though our workouts are usually shorter than this, I think by the time you add in a few minutes of warm up and a few minutes of stretching at the end, you would usually have met the 30 minute time. Any activity on top of this is just a bonus:)
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