1, the first thing to note is that because lettuce is cold, if women eat it during menstruation, it may cause irregular menstruation, thus aggravating dysmenorrhea symptoms.

2. Secondly, it should be noted that there are some ingredients in lettuce recorded in ancient books, so humans can't eat more. Eating too much can make people's eyes blurred, so people with eye diseases should not eat more lettuce.

3. It should also be noted that people with spleen and stomach deficiency or cold constitution should not eat more lettuce. Because lettuce is cold, it will stimulate the secretion of gastric juice, so people with spleen and stomach deficiency will be colder after eating it, which will cause serious harm to the body.

4. There is another kind of women who need to pay attention. Although lettuce can be eaten during the second month, which is helpful for breastfeeding, it is not recommended to eat more lettuce after childbirth because of its cold nature.

5. Be sure to pay attention when eating lettuce, and don't eat lettuce with cheese and honey. If you eat together, it may be harmful to your health and you need to pay special attention.

Extended data

Lettuce is fragrant and refreshing, and the meat is tender. The stems can be eaten raw, cold, fried, dried or pickled into cans. This is a common vegetable. Lettuce is sweet and cool, and can promote lactation, diuresis, help digestion, sober up, relax muscles and tendons, clean teeth and remove bad breath. It can be used for treating red urine, short urine and hematuria. At the same time, iron ions in lettuce are easily absorbed by human body, so eating fresh lettuce often can prevent iron deficiency anemia.

Eating lettuce can increase appetite, promote the secretion of digestive juice and gastrointestinal peristalsis, and is rich in potassium ions. It is very suitable for the elderly, pregnant women, long-term bedridden people and patients with hypertension, heart disease, dyspepsia and chronic constipation. At the same time, lettuce is low in calories, only slightly higher than wax gourd in common foods, and its carbohydrate and fat content is also very low, so it is a good food for people who want to lose weight and keep fit.

References:

Baidu encyclopedia-lettuce (compositae lettuce)