Obesity increases your cancer risk (even if you are a non-smoker)!

Telegraph.co.uk: Obesity has become the main cause of cancer in non-smokers, a global conference will hear next week.

The World Cancer Research Fund has spent five years collecting information about the effect bodyweight, diet and physical activity has on the risk of developing cancer and will present its findings on Thursday.

Smoking is still the single biggest cause of cancers, accounting for one third of the 300,000 cases in the UK each year.

But only one quarter of people smoke and research has found that for non-smokers being overweight or obese is the most important avoidable cause of cancer. In the UK, 12,000 people a year could avoid cancer if they maintained a healthy weight, according to Cancer Research UK.

Obesity is known to cause between nine and 15 per cent of breast cancers – more than defective genes.

A recent study found women who have gone through the menopause and are obese increase their risk of developing breast cancer by a third.

Obesity is known to increase the risk of cancer by raising the level of hormones such as oestrogen, which feeds many breast cancers.

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Obesity + Prostate Cancer = Higher risk of death

HealthDay News: Men who are obese when they're diagnosed with prostate cancer are 2.6 times more likely to die of the disease than normal-weight men, new findings suggest.

The study, by researchers at the Fred Hutchinson Cancer Research Center in Seattle, included 752 recently diagnosed prostate cancer patients who were followed for about 10 years. Of the men in the study, 50 died of prostate cancer, and 64 died of other causes.

"I was very surprised by the findings. We found the prostate-cancer-specific mortality risk associated with obesity was similar regardless of treatment, disease grade or disease stage at the time of diagnosis," senior author Alan Kristal, associate head of the Cancer Prevention Program in Hutchinson's Public Health Sciences Division, said in a prepared statement.

"If a man is obese at the time of diagnosis, he faces a 2.6-fold greater risk of dying as compared to a normal-weight man with the same diagnostic profile, regardless of whether he has radical prostatectomy or radiation therapy, whether or not he gets androgen-deprivation therapy, whether he has low- or high-grade disease, and whether he has localized, regional or distant disease," Kristal said.

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