Exercise is good for more than just your waistline. A recent study presented at the American Association for Cancer Research’s Seventh Annual International Conference on Frontiers in Cancer Prevention Research suggests that regular physical activity can lower a woman’s overall risk of cancer – but only if she gets a good night’s sleep. Otherwise, lack of sleep can undermine exercise’s cancer prevention benefits.

“Greater participation in physical activity has consistently been associated with reduced risk of cancer incidence at several sites, including breast and colon cancers,” said James McClain, Ph.D., cancer prevention fellow at the National Cancer Institute and lead author of the study. “Short duration sleep appears to have opposing effects of physical activity on several key hormonal and metabolic parameters, which is why we looked at how it affected the exercise/cancer risk relationship.”

Even though the exact mechanism of how exercise reduces cancer risk isn’t known, researchers believe that physical activity’s effects on factors including hormone levels, immune function, and body weight may play an important role. The study examined the link between exercise and cancer risk, paying special attention to whether or not getting adequate sleep further affected a women’s cancer risk. Read the rest of this entry »

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Tags: American Association for Cancer Research, breast cancer, breast cancers, cancer, cancer prevention, Cancer Research, colon cancer, colon cancers, James McClain, lead author, National Cancer Institute, physical activity energy expenditure

Mens Health is a great magazine ofr telling it like it is, sometimes with a liitle to much brovado. I think this article is really worth it to read though for food substitutions that can make a real difference.
If you keep eating the way you always have, you’ll never improve on the body you’ve got. And the prognosis — on the mom diet, at least — isn’t good. Look at your dad. That’s why we’re providing you with 15 sneaky ways to improve your diet. Same foods, better results. And nobody needs to be the wiser. Just think of these food strategies as the cork in your bat, the glue on your glove, your own personal, syringe-wielding East German Olympic swim-team coach. Only difference is, each one is simple, nutritionally sound, and perfectly legal in all 50 states.

1. Whey your options
Add a cup of ricotta cheese to your fruit smoothie. Ricotta is a soft, mild cheese that’s made almost entirely of whey, the liquid that separates from curd during the cheese-making process. Whey contains cysteine, an amino acid that helps produce a cancer-fighting antioxidant called glutathione. When Ohio State University researchers treated prostate cells with whey protein, glutathione levels jumped by 64 percent.

2. See red
Got leftover tuna salad? Stuff it into a red bell pepper instead of sandwiching it between two slabs of Wonder bread. Red peppers and other red-fleshed fruits such as tomatoes, watermelons, and ruby-red grapefruit are high in lycopene, a phytochemical that can reduce the risk of prostate cancer by 20 percent. Bake the pepper and you’ll make it even more potent; heat makes lycopene easier for your body to absorb.
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