(1) Improve constipation: Lettuce contains a lot of dietary fiber, which can promote gastrointestinal peristalsis and increase the volume of water absorption and expansion, thus shortening the retention time of feces in the body and improving constipation.

(2) Anti-oxidation: Lettuce is rich in vitamin C, which has a strong anti-oxidation effect, and can remove excess free radicals in the body and delay aging.

(3) Weight loss: Lettuce is low in calories and rich in dietary fiber. After eating, it can increase satiety and reduce the intake of other high-calorie foods, thus helping to lose weight.

2. The disadvantages of eating lettuce

(1) Causes abdominal distension: Lettuce is easy to feel full, and eating too much may cause abdominal distension.

(2) Increase the chance of parasitic infection: Some people choose to eat lettuce raw, which may lead to parasitic infection if not cleaned.