Children all over the world are 10 times more obese than they were 40 years ago.
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A new report from the Global Cancer Research Fund linked 12 cancers with excess body weight. (Photo: Getty Images)

Staying physically active and eating healthily A diet rich in whole grains, fruits and vegetables not only helps you lose weight, but may also reduce your risk of cancer.

The report of the World Cancer Research Fund links 12 types of cancer to overweight, including bad and colorectal cancer.

The report says that as of 2016, it is estimated that 1.97 billion adults worldwide and more than 338 million children and adolescents were considered overweight or obese.

WCRF also revealed a number of updated weight recommendations and decreased cancer risk, including exercise, a healthy diet, limiting consumption of red or processed meats, and reducing the consumption of fast food or other highly processed foods.

"It is unlikely that there are agic bullet" specific foods or nutrients that in themselves cause or protect against cancer, "said Dr. Kate Allen, executive director of science and public affairs at WCRF International, in a publication of blog published on Thursday. "Rather, different patterns of diet and physical activity combine to create a metabolic state that makes it more or less susceptible to cancer."

The other ten cancers cited are: endometrium, gallbladder, kidney liver, mouth, pharynx and larynx, esophageal, ovaries, pancreatic, prostrate, stomach

More: Obesity rates soar and health experts say it's time to change the way we face the problem

More: Here is the most obese county in all the US states

The report also cites other risk factor's, as the consumption of alcohol. Drinking two or more drinks a day may increase the risk of liver or esophageal cancer, but drinking up to two a day may reduce the risk of cancer.

Meanwhile, for mothers, badfeeding may reduce the risk of bad cancer in mothers, report found.

Obesity may be one of the reasons for an increase in colon and rectal cancer rates among the youngest and middle-aged people. Last year, researchers from the American Cancer Society discovered that poor diet, inactivity and weight gain may play a role in increasing the rates of these cancers.

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