Why is betel nut addictive?

Because betel nut contains betel nut alkaloids which can stimulate the nerves in the brain to become excited, long-term consumption of betel nut can become addictive.
Betel nut contains a component called betel nut alkali, betel nut alkali can stimulate the brain nerves, make it excited, so that people have a sense of pleasure and comfort, long-term consumption of betel nut will become dependent on this feeling, so it will be addictive.
Long-term consumption of betel nut is also harmful to the human body, such as oral mucosal lesions, dental caries, periodontitis, etc., and in severe cases, can lead to oral cancer.
Betel nut can cause different degrees of damage to the human body, so it is not recommended to consume betel nut, and if you are already addicted to betel nut, it is recommended to quit in time to avoid adverse consequences and irreversible damage to yourself.