However, some people do not eat, as follows:

1. Menstrual women should not eat cold lettuce.

Lettuce is cold, which may lead to menstrual disorder and irregular menstruation for menstrual women, and aggravate dysmenorrhea symptoms.

2. Deficiency of spleen and stomach or cold constitution should not be eaten more.

Lettuce is a cold food, which can also stimulate the secretion of gastric juice, and it will be even colder for people with deficiency-cold constitution or poor spleen and stomach.

People with eye diseases should not eat more.

According to ancient books, lettuce is poisonous, so people should not eat more. Eating more makes people's eyes paste its poison, so it can be solved with ginger juice. So people with eye diseases should not eat more.

Lettuce.

4. Enough is enough

Eating lettuce in moderation, if eaten in large quantities, may cause poisoning such as dizziness and lethargy, and may also cause night blindness.

Benefits of eating lettuce:

1. Stimulate appetite

Lettuce contains lettuce in its stems and leaves, which tastes bitter. It can stimulate the secretion of gastric juice, promote digestion and stimulate appetite.

Step 2 calm down and sleep peacefully

There is a sweet and bitter component-chrysanthemum sugar in the milky juice of lettuce stems and leaves, which has the effect of calming and sleeping.

Step 3 lose weight and lose weight

Lettuce is high in water content, rich in dietary fiber, low in fat and calories, and high in potassium, which can relieve constipation and diuresis, clear the intestines and detoxify, and can play a role in losing weight.

Step 4 lower blood sugar

Lettuce has a high content of nicotinic acid, which can enhance the effect of insulin, regulate blood sugar level and reduce the occurrence of diabetes. Regular consumption of lettuce by diabetics can improve glucose metabolism.

Extended data:

Lettuce contains many nutrients, including vitamin A, vitamin B 1, B2, vitamin E, protein, nicotinic acid, carotene, fat, dietary fiber and trace elements such as calcium, magnesium, phosphorus, sodium and potassium. The edible part of lettuce stem contains protein 1g, dietary fiber 0.9mg, carotene150g, fat 0. 1g, vitamin c 4mg, potassium 2 123mg, sodium 36.5mg and vitamin A25.

Lettuce stems are rich in nutrients, but according to the determination, the contents of vitamin C, carotene, protein, sugar, iron and other components in lettuce leaves are much higher than those in stems, so don't discard the leaves when eating lettuce.

References:

Lettuce Baidu encyclopedia