You can't eat watermelon, chocolate, or drink strong tea, coffee or black tea during the physiological period.

1, chocolate is a high-sugar sweet, not only can not improve the symptoms of menstrual discomfort, but also cause blood sugar instability, affecting the body's hormonal balance, aggravate the symptoms of discomfort.

2. The uterus of a woman is in a "warm" state so that she can get rid of her menstrual blood. But watermelon is a cold food, easy to make the blood clumps, into the blood after the discharge will not come out, will cause menstrual pain. In addition, the female body is already Yin, often eat cold food will lead to the leakage of Yang Qi, resulting in damage to the uterus, serious cases of amenorrhea or reduced menstrual flow and other phenomena.

3, during menstruation, women lose a lot of blood, anemia is often accompanied. To improve the symptoms of anemia, you need to supplement a variety of food containing iron. But strong tea contains tannins and iron combination, will produce precipitation, affecting the absorption of iron, resulting in the body can not be timely supplementation of iron and aggravate the symptoms of anemia. In addition, strong tea is high in caffeine, which can stimulate the nerves and cardiovascular system, easily leading to menstrual cramps, prolonged menstrual periods or excessive bleeding.

4, menstruating women, because menstruation will consume a lot of iron in the body, black tea in the ellagic acid will hinder the body's absorption of iron in food.

Expanded:

Not suitable for people who drink black tea:

1, usually easy to emotionally excited or more sensitive, poor sleep and weaker people. Because black tea has a good refreshing effect.

2, people with hot stomach. Because black tea is warm tea, play a role in warming the stomach.

3, tongue tire thick people, bad breath, easy acne people, eyes red people. Black tea belongs to the "hot", afraid of fire people should not drink black tea.

4, is taking medication. The black tea will destroy the effect of the medicine.

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People's Daily Online - What are the effects and contraindications of black tea? These people should not drink black tea