What type of diet puts you at risk of prostate cancer? (query)

I have been a vegan since age 5 (now 52). I cook virtually all of my own meals. My diet is based of fruit & veg, legumes, grains, nuts & seeds. My carb content is fairly high but no refined carbs and very little sugar, salt or oil. I have read that low carbohydrate intake reduces prostate cancer risk and progression and intake of high-fat food and high beta carotene content put you at a higher risk of prostate cancer. Does it mean all carbs or more specifically refined carbs? Does ‘high-fat food’ do you include only animal products? If you could clarify, that would be great. The query is answered by Dr Prasad Narayanan, Senior Consultant – Medical Oncology, Cytecare. Low carbohydrate diet lowers the risk of prostate cancer because insulin is a growth factor for prostate cancer and therefore a reduction in carbohydrate intake can help. And thus, lowering serum insulin may slow the growth of prostate cancer antigen (PCA) although the ‘type of carbohydrate’ that impacts the PCA risk is yet inconclusive. Studies have shown that high intake of refined carbohydrates are associated with increased risk of PCA. Hence, it is wise to cut down your intake of refined carbohydrates and make sure you eat complex carbohydrates which also help in regulating the release of glucose and also lowering the risk of prostate cancer. Here are 10 expert tips for men to lower the risk of prostate cancer. Secondly, as far as intake of ‘high-fat food’ is concerned, it refers to intake of ‘high saturated fat’. As animal products as high in saturated fats, it is advised to limit the intake of animal products. However, curd and milk are comparatively rich in proteins and low in fat. You can even opt for low-fat yoghurt or milk if you are at risk of prostate cancer. Also read about 5 superfoods that can keep you safe from prostate cancer. The reason why intake of high-carotene content is not advised is excess vitamin A can be toxic. In our body beta-carotene is converted to vitamin A and when beta-carotene is taken in the form of fruits and vegetables it is safe, and body only converts as much as vitamin A is needed. Hence, you can include common vitamin A rich foods like broccoli, carrots, kale, onions and spinach in the diet. However, the problem is when you load up vitamin A in the form of supplements. Studies have shown that high beta-carotene intake through supplements and serum levels of beta-carotene to be associated with higher risk of PCA. Therefore, one must be careful while consuming vitamin supplements containing the same component. According to to the Carotene and Retinol Efficacy Trial (CARET; PCA was a secondary outcome) and the National Institutes of Health-American Association of Retired Persons (NIH-AARP) Diet and Health prospective cohort study, excessive multivitamin supplementation was associated with a higher risk of developing aggressive PCA, particularly among individuals taking β-carotene supplements. Also read why men should undergo a PSA […]

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