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Winnipeg Free Press - PRINT EDITION
Cancer survivors now urged to eat better and exercise
ATLANTA -- A cancer diagnosis often inspires people to exercise and eat healthier. Now experts say there's strong evidence both habits may help prevent the disease from coming back.
New guidelines issued Thursday by the American Cancer Society urge doctors to talk to their cancer patients about eating right, exercising and slimming down if they're too heavy.
That's not something most doctors do, said Dr. Omer Kucuk, an Emory University oncologist who has researched the effect of nutrition on prostate cancer. They're focused on surgery, chemotherapy or other treatments for their patients, he added.
"Usually the last thing on their mind is to talk about diet and exercise," Kucuk said.
Cancer society officials have long encouraged healthy eating and exercise as a way to prevent certain cancers. They and others have tried to spread that gospel to cancer survivors as well. Indeed, the cancer society has a certification program for fitness professionals who work with cancer survivors.
But until now, the group didn't think there was enough research to support a strong statement for cancer survivors.
Hastine Reese, a breast cancer survivor, says she began to exercise because her husband -- not her doctor -- pushed her. Besides being good for her health, he thought it might help pull her out of the depression that followed her diagnosis and double-mastectomy.
"When you're first diagnosed with cancer, you go into a dark place," said Reese, as she finished a one-hour exercise class this week at DeKalb Medical Center in Decatur, Ga.
Exercise has changed that. "I'm coming into the light, and it's getting brighter and brighter," she said.
Being overweight or obese has long been tied to an increased risk of several types of cancer, including cancers of the colon, esophagus, kidney, pancreas and -- in post-menopausal women -- breast. But there hadn't been much evidence on the effects of diet and exercise for people who had had cancer.
The last five years saw more than 100 studies involving cancer survivors, many of them showing exercise and/or a healthy diet were associated with lower cancer recurrence rates and longer survival.
Most of the research was on breast, prostate and colorectal cancer. The evidence is more meagre when it comes to other cancers, including the deadliest kind, lung cancer. Also, most of the work involved observational studies, which can't prove a cause and effect. Still, the volume of research was compelling.
There was a time when cancer patients were thought of as gaunt and dying souls. Many cancers were diagnosed at a late stage.
But better screening and treatment have made early diagnosis of cancer more common and survival more likely. Today, more than two-thirds of cancer patients live at least five years. The ranks of cancer survivors have grown, with more than 12 million Americans identified as cancer survivors.
-- The Associated Press
Republished from the Winnipeg Free Press print edition April 27, 2012 A22
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