Body Fat Indicated as Main Factor in Cancer Development

Oct. 31, 2007

Body fat is a key factor in the development of cancer, higher than previously thought and stronger than the link between cigarettes and cancer according a new landmark study conducted by the World Cancer Research Fund.

Even small amounts of excess body fat, especially at the waist, increase the risk of colon, prostate, breast, and other common cancers the study reveals.

A panel of nine independent universities and 21 world-renowned scientists examined 7,000 existing studies over five years, resulting in the most reliable and comprehensive investigation ever into the risks of certain lifestyle choices.

According to the report the evidence is "convincing" that body fat plays a key role in the development cancers. To guard against the disease, researchers warn that everyone should be as lean as possible and maintain a healthy weight range.

People with a Body Mass Index (BMI) of 18.5 to 24.9 are considered to be within a healthy weight range. Those with a BMI of 25 to 29.9 are considered overweight, while anyone with a 30+ rating is classified as clinically obese.

Researchers also found that processed meat, including ham and bacon, was such a risk factor for bowel cancer that people should avoid it completely or in the very least limit their consumption of red meat to 500g a week (the size of two decks of cards).

Among other recommendations researchers say alcoholic drinks should be limited to two drinks a day for men, one drink a day for women as alcohol was strongly linked to mouth, oesophagus and breast cancers. Salt intake should not exceed 2 grams a day (about a teaspoon), sugary drinks should be eliminated altogether and people should exercise every day.

If there is one constant reminder we get from this study and all the other obesity related studies we hear about, is that we need to take action and make changes that can have a big effect on our cancer risk and overall health.

Click here to calculate your BMI.