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The key to good health is a balanced diet, not a meat- and fish-free diet. Meat and fish are good sources of protein, iron, and other vitamins and minerals. Most of the health benefits of a vegetarian diet derive from its being high in fibre and low in fat and cholesterol. These can be achieved by avoiding fatty and fried foods, eating only lean grilled meat and fish, and including a large amount of fruit and vegetables in your diet along with meat and fish. In general, raw, unprocessed meat from the muscle is made up of the following: protein 15 - 22 % Fat 3 - 15 % Minerals, carbohydrates 1 - 5 % Water 65 - 75 %, all things that we need in moderation. [1] A meat- and fish-free diet is unbalanced and makes it more likely that you will go short of protein, iron and some minerals such as B12 for which we are primarily dependent on animal foodstuffs. Also, a vegetarian diet, in the West, is a more expensive option - a luxury for the middle classes. Fresh fruit and vegetables are extremely expensive compared to processed meats, bacon, burgers, sausages etc.  [1] Bell, ‘Nutrition &amp; Well-Being’