CANCER: BEATING THE BAD CELLS
Cancer is bad cells, pure and simple. Something goes wrong with the DNA, and eventually, a fast-growing collection of toxin-spewing, energy-absorbing, organ-destroying cells have begun to take over some part of your body. It can start just about anywhere, from your brain to your testicles, and end up just about anywhere else. Once cancer starts to migrate from its place of birth (a process known as metastasis), it’s hard to treat.
Your mission is to keep all that stuff from happening. Some of the risk factors, such as heredity and age, are out of your hands. But- and hear this well-most are not. Nearly two-thirds of cancer deaths in the United States are caused by factors entirely within your control. And guess what? Those controllable factors are none other than the usual suspects-smoking, a lousy diet, and a lack of exercise.
Studies have shown fairly clearly that obese men run a higher risk of at least colorectal and prostate cancer. Know that about 31 percent of American men are overweight (that is, 20 or more percent above their ideal weight) and you start to get the picture. What’s more, the extra pounds may affect men more than women, probably because men tend to carry the fat in their abdomen, where it’s more biologically active.
One way you get fat is by eating fat, especially animal fat. Not only does fat intake put you on the fast track to obesity but also there are strong indications that foods high in animal fat, such as dairy foods and red meat, increase your risk for a number of cancers, including prostate, colorectal, and even non-melanoma skin cancer.
Another way you get fat is through inactivity. It’s also another way you get cancer, especially colorectal cancer
Now to smoking. What don’t you already know about smoking’s sinister deeds? How about this: Smoking causes a whopping 30 percent of all cancer mortality, but not only because it’s responsible for more than 90 percent of lung cancer deaths. If you smoke, you also increase your risk for oral, esophagus, pancreas, larynx, bladder, and kidney cancers. And there’s newer evidence linking it to prostate and colon cancer, the latter in a special way. “Smoking seems to be an ‘early’ risk factor for colon cancer,” says Dr. Edward Giovannucci of Harvard Medical School. “If you’re smoking at age 20, that may not show up as a risk factor for colon cancer until age 60 or 70, whether you quit or not.”
So smoking, eating junk food, getting fat, and being lazy aren’t merely abstractions that are “bad for your health,” whatever that means. They can cause cancer. Put another way, not smoking, eating well, staying trim, and exercising are real things you can do to help prevent cancer.
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