Areca catechu is warm, and it is easy to cause fever and flushing when eaten in excess. For people who occasionally eat Areca catechu, this situation may occur when they eat a Areca catechu, and they may be accompanied by dizziness. Moreover, the alkaloid content in Areca catechu is rich, and eating more will make teeth discolored and even induce oral cancer.

In addition, the texture of betel nut is hard, and excessive consumption will increase the movement of occlusal muscles, change the face shape and affect the appearance. Therefore, it is generally recommended to eat 3-5 areca nuts a day.