It's best for female friends not to have eat areca during menstruation. Women should eat more red dates or drink brown sugar water during menstruation to facilitate the elimination of menstrual blood in the body. Taking betel nut in large quantities for a long time is harmful to human body, so it is recommended not to eat betel nut for a long time.

1, betel nut has a good insect repellent effect. Insect repellent here does not refer to insects in vitro, but parasites in vivo. Boiling water with betel nut can effectively drive out parasites in the body, and betel nut has antibacterial effect. Proper consumption of betel nut can prevent influenza, and when dermatosis caused by fungi appears on the skin, boiling water with betel nut can also play a good therapeutic role.

2. The ingredients contained in betel nut are closely related. Areca catechu is mainly composed of areca catechu alkaloids, and also contains a lot of tannins and fatty oils, as well as a small amount of protein and gum. It is found that betel nut also contains a substance called concentrated tannin, which is slightly addictive when eaten, and its extract has antidepressant effect. But Penang also contains a substance similar to nicotine, which can make people blush and lose consciousness, just like being drunk.

3. In addition to the above, betel nut has carcinogenic effects. According to the research of the International Center for Research on Cancer, Penang is a first-class carcinogen, because it produces substances such as ammonium nitrite when chewing, which has carcinogenic effect. Moreover, chewing Penang is also very serious for tooth loss, and a large number of alkaloids will be slightly poisoned, leading to dizziness and nausea, so eating Penang should be moderate.