Dietery factors associated with colon carcinoma -
Ans. is 'b' i.e., Low fibero A high incidence of colorectal cancer occurs in economically prosperous, upper socioeconomic class. This observation led to attention on environmental factors, paicularly diet in the etiology of colon cancer.o Dietary factors associated with colon cancers are :(a) Animal fato Diet high in animal fats such as found in red meat (beef, pork, lamb) and processed meat (Sausages, hams & bacan etc) increases the risk of colon cancer.o Consumption of fish (including fresh, canned, salted and smoked fish) decrease the risk of colon cancer. This is because of the anti-cancer activity of omega-3 fatty acids found in fishes.o Note that consumption of chicken has no effect on colon cancer.(b) Fibres --> A high fibre diet has protective effect and a low fibre diet increases the risk.(c) Alcohol - is also a risk factor.(d) Ingestion of calcium, selenium, vitamin A, C & E, carotenoids, and plant phenols decrease the risk of colon cancer.(e) Insulin resistanceo A high calorie diet coupled with physical inactivity leads to excess weight gain and insulin resistance which fuher causes increased levels of insulin and insulin-like growth factors type I (IGF-I). This growth factor appears to stimulate proliferation of intestinal mucosa.
High fiber
Low fiber
Smoked fish
All