Garlic in your diet prevents oesophagus caner, stomach cancer, prostate cancer, colon cancer and breast cancer in particular, though it generally acts against the growth of cancer cells. It fortifies your immune system, other than cancer, garlic is essential against a number of diseases. It is rich in diallyl sulphides. Diallyl sulphides are allium compounds that enhance immune system. It fights against cancer cells as well as cancer causing substances. Carcinogens in the liver are let dormant by diallyl sulphides in garlic oil. Liver or any other organ in your body does not get harmed by adding garlic in your diet. Your cell membrane is helped with garlic intake as it effectively prevents carcinogens from being permeated into your cells. Garlic is regressive in terms of cell growth and thus the pace of cancer cell growth and abnormal multiplication is decelerated. Too much of anything is good for nothing, so consult your doctor to have it as to know the amount of intake per day. Garlic may be added to almost many of your non-vegetarian dishes.