What decreases the risk of cancer? A colonoscopy detects polyps before they become malignant. Also, a rapid response to unusual bleeding, a cough that lasts a few weeks, or a suspicious mole. But a report funded by The Canadian Cancer Society now links excess weight to the development of several types of cancer. So what is it about obesity that triggers malignancy? And what to do about it? For years health authorities have labelled obesity a health hazard. The reason is that it often leads to Type 2 diabetes, then later to heart attack. But now, researchers claim that excess weight will soon be the second leading cause of cancer, just behind tobacco. Sadly, being overweight has not received the attention it deserves when 60 percent of North Americans are obese.

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