You just knew that this had to be the case!
He said overexercise can create more oxidative stress, in which oxygen molecules called free radicals are formed that damage DNA and cells in ways that can accumulate to spur cancer. . . .
Of course, on the other side there is this:
In the study, women who reported high levels of physical activity were 23 percent less likely to develop lung cancer than those who were the least active, report Dr. Kathryn H. Schmitz of the University of Pennsylvania in Philadelphia and colleagues. And among women who smoked, greater activity was tied to a 28 percent lower lung cancer risk, while women who were ex-smokers showed a 37 percent lower risk with more activity. . . .
Of course, on the other side there is this:
Too much exercise causes cancer!!
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Oleh
abudzar
