About 40 percent of all cancers in the United States -- more than 630,000 in all -- are associated with excess weight, health officials said Tuesday, urging a renewed focus on prevention.
In a nation where 71 percent of adults are either overweight or obese, the findings by the US Centers for Disease Control and Prevention "are a cause for concern," said the agency's director Brenda Fitzgerald.
"A majority of American adults weigh more than recommended -– and being overweight or obese puts people at higher risk for a number of cancers," she said in a statement.
"By getting to and keeping a healthy weight, we all can play a role in cancer prevention."
Carrying excess weight has been shown to boost the risk of 13 types of tumors, including cancers of the esophagus, thyroid, postmenopausal breast, gallbladder, stomach, liver, pancreas, kidney, ovaries, uterus, colon and rectum.
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