Six kinds of people should not eat more lettuce is not true, this statement is not scientific, moderate consumption of lettuce can provide the body with carbohydrates and other nutrients. Lettuce as a food, there is no clear clinical record of what people should not eat more. Every 100 grams of lettuce contains 14 calories, including 1 gram of protein, 2.2 grams of carbohydrates, 0.1 grams of fat, vitamin A25IU, calcium 23 mg, lysine 25 mg and other nutrients. In general, as long as the lettuce is not allergic to can be consumed. Lettuce can be consumed for the body to supplement nutrition, but pay attention to not excessive when eating, to avoid causing indigestion, abdominal pain, bloating, diarrhea, nausea, vomiting and other gastrointestinal discomforts. Six kinds of people should not eat more lettuce, this statement is not based on science. It is recommended that the usual scientific diet.