It is best for female friends not to eat betel nut 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. Here, insect repellent does not mean insects in vitro, but parasites in vivo. Boiling water with betel nut can effectively drive out parasites in the body, and betel nut has the function of resisting bacteria. Proper consumption of betel nut can play a very good preventive role on influenza, and when dermatosis caused by fungi appears on the skin, boiling water with betel nut can also have a good therapeutic effect.

2. The ingredients contained in betel nut are closely related. The ingredients of betel nut are mainly betel alkaloid, but also contain a lot of tannin and fatty oil, and a little protein and gum. It is found that betel nut also contains a substance called concentrated tannin, which will make people slightly addicted after eating, and its extract has antidepressant effect. However, Penang also contains a substance similar to nicotine, which will make people blush and lose consciousness, just like drunkenness.

3, the efficacy and role of betel nut in addition to the above, there are carcinogenic effects. According to the research of the International Center for Research on Cancer, Penang is a first-class carcinogen, because it will produce substances such as ammonium nitrite when chewing, which have carcinogenic effects. Moreover, the chewing of Penang is also very serious for tooth loss, and a large number of alkaloids will also be slightly poisoned, resulting in dizziness and disgusting texture, so eating Penang should be moderate.