Cancer is an environmental disease

Fix the environment, not the genes

Dr. Jason Fung
Personal Growth

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The prevailing theory of cancer, accepted by practically all the oncologists and researchers in the world, over the last 5 decades is that cancer is a genetic disease. This is termed the somatic mutation theory (SMT), which theorizes that a cell develops mutations that allow it to become cancerous. This requires multiple ‘hits’. That is, a single mutation is rarely sufficient to provide a normal cell everything it needs to become cancerous. For example, a normal breast cell may develop a mutation that allows it to grow, but it needs other mutations to escape detection by the immune system, grow blood vessels etc. So it needs multiple mutations to become a problem cancer.

So the basic theory of SMT is that

  1. Cancer is derived from a single cell that has accumulated multiple DNA mutations
  2. Normally, cells don’t grow all that quickly.
  3. Cancer is caused by mutations in the genes that control cell proliferation and growth

This is the basic theory I was taught in medical school. This is the prevailing paradigm of cancer, which essentially colors how all data is interpreted. If you get the paradigm wrong, everything else that follows is wrong. Just as in nutrition and obesity — if you follow the ‘calorie’…

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Dr. Jason Fung
Personal Growth

Nephrologist. New York Times best selling author. Interest in type 2 diabetes reversal and intermittent fasting. Founder www.TheFastingMethod.com.