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.
Peanut butter is one of the higher calorie spreads you can put on a sandwich. Peanut butter contains about 190 calories and 16 grams of fat per two tablespoon serving. There is very little variation in the calorie count, the grams of sugar, and the fat content of different peanut butter brands.