You might hear that becoming a vegetarian will make you more prone to getting sick. This is a myth. A balanced diet, whether vegetarian or otherwise, will provide your body with all the nutrients it needs. A balanced vegetarian diet will provide your body with pretty much the same vitamins and minerals (in some cases many more) as a diet that includes meat. Vegetarians who have a well-rounded diet do not suffer from deficiencies any more than non-vegetarians.