HIV (human immunodeficiency virus) is a virus that attacks the immune system, the body's natural defense system. Without a strong immune system, the body has trouble fighting off disease. Both the virus and the infection it causes are called HIV. White blood cells are an important part of the immune system.
One recommended serving of peanut butter is 2 tablespoons, which is about the size of a ping-pong ball. That serving contains about 188 calories, 145 of which come from fat. Thus, peanut butter is more than 75 percent fat; the 2010 Dietary Guidelines for Americans recommends limiting fat to just 20 to 35 percent of total calorie intake.
The United States is a leading exporter of peanut butter and itself consumes $800 million of peanut butter annually. Peanut butter is served as a spread on bread, toast or crackers, and used to make sandwiches (notably the peanut butter and jelly sandwich). It is also used in a number of confections, such as peanut-flavoured granola bars or croissants and other pastries.