“Diet, nutrition, physical activity and prostate cancer”


A new report issued here in the USA by the American Institute for Cancer Research (AIRC) and globally by the World Cancer Research Fund International is focused on “Diet, Nutrition, Physical Activity and Prostate Cancer“.

The report is based on data collected from 9.855 million men in 104 global studies, inclusive of 191,000 men who were diagnosed with prostate cancer.

The core findings of this new report are as follows:

Strong evidence

  • There is strong evidence that being overweight or obese increases the risk of advanced prostate cancer (being overweight or obese is assessed by body mass index, waist circumference and waist-hip ratio).
  • There is strong evidence that developmental factors in the womb, childhood, and adolescence that influence growth are linked to an increased risk of prostate cancer  (e.g., the taller a man is, the greater his risk of prostate cancer).
  • There is strong evidence that consuming β-carotene (either through food or supplements) is unlikely to have a substantial effect on the risk of prostate cancer.

NB:The findings on being overweight or obese, and on adult height, in this report are new; the findings for β-carotene remain unchanged from an earlier report (in 2007).

Limited evidence

  • The evidence that a higher consumption of dairy products increases the risk of prostate cancer is limited.
  • The evidence that diets high in calcium increase the risk of prostate cancer is limited.
  • The evidence that low plasma α-tocopherol (vitamin E) concentrations increase the risk of prostate cancer is limited.
  • The evidence that low plasma selenium concentrations increase risk of prostate cancer is limited.

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