Researchers have long advised middle-aged women that regular
exercise decreases the risk of breast cancer. But now they’ve discovered that being active beginning at age 12 substantially affects breast cancer risk
as well. In a survey of 65,000 women aged 24 to 42, those who had regularly exercised
as teens and young adults decreases had a 23 percent lower chance of getting pre-menopausal breast
cancer than those who'd been inactive.
This is sad news if, like me, your idea of exercise in high
school was to walk to 7/11 and buy a loaf of Wonder Bread and a jar of marshmallow
Fluff.
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