This is because they can be vectors for infectious diseases, such as sexually transmitted diseases or blood-borne diseases. Universal precautions and safer sex practices try to avoid exchanges of body fluids. Body fluids can be analyzed in medical laboratory in order to find microbes, inflammation, cancers, etc.
Eat oatmeal as a source of B vitamins. A breakfast staple, oatmeal has long been part of American cuisine. Oatmeal offers a number of nutritional benefits -- it provides a source dietary fiber as well as essential minerals including phosphorus, potassium and iron.
Oat bran is higher in B vitamins than rolled oats. A 100-gram serving of oat bran contains 78 percent of the daily value of thiamin, 15 percent of pantothenic acid and 13 percent of riboflavin. The most notable B vitamin in rolled oats is niacin -- a 100-gram serving contains 1.1 milligrams.