NUTR SCI 132 Lecture Notes - Lecture 22: Cancer, Grapefruit Juice, Benign Tumor
11 Apr 2018
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11:05 am: 3 stage model of carcinogenesis. First step- initiation (something damages the genetic material) Initiative cell (not cancer cell, but not normal cell) Probably happens millions of time every day, only a tiny percentage ever become cancer. Tumor (takes many tumor cells to even be big enough to be noticed) about 10^9 cells. Benign tumor (foreign object, but not cancer)- ex. Higher levels can be induced by certain fruit and vegetable compounds. When you eat more cholesterol, you make less. Over time, very high consumption of plant materials. Fewer f/v, whole grains and highly refined foods, increased cancer rates may be a result of this. Animals are mobile- running, fighting, camoflauge, hiding, etc. mammals do not rely on poison to keep from being eaten. Toxic (plants use toxicity to keep from being eaten) This is why plants are more chemically diverse than. Most of the flavor in plant foods comes from these kind of phytonutrients.
