Betel nut

Betel nut is the common name for the seed of the areca palm, *Areca catechu*, also called areca nut.

Betel nut, also known as areca nut, is the seed of the areca palm (*Areca catechu*). It is commonly chewed alone or as part of betel quid, a traditional stimulant preparation used in many parts of Asia and the Pacific. The practice is associated with dependence and serious health risks, including oral and systemic cancers.

Botany and naming

Betel nut is the seed of *Areca catechu*, a tropical palm belonging to the family Arecaceae. Despite its common name, it is botanically a seed rather than a true nut. The term is widely used to refer to the seed, which is native to the Philippines and has been spread throughout tropical Asia and the Pacific.

Traditional use

The seed is typically chewed in preparations such as betel quid, often combined with betel leaf, lime, and sometimes tobacco. This practice has deep cultural roots in parts of South and Southeast Asia and the Pacific, where it has been used for centuries or longer as a stimulant and social custom.

Chemical effects

Arecoline is the main psychoactive compound in betel nut, responsible for its stimulant effects. Users report feelings of alertness and other short-term effects, which have contributed to its long-standing recreational and social use.

Health effects

Health authorities identify betel nut chewing as a cause of dependence and an important risk factor for oral precancerous lesions, oral submucous fibrosis, and oral cancer. It is also associated with cardiovascular and pregnancy-related harms, making it a public health concern.

Cultural significance

In several societies, betel nut chewing holds social, ceremonial, and symbolic roles, though it remains controversial due to its health risks. Usage patterns vary widely by region and community, with some immigrant groups in Canada maintaining cultural familiarity with the practice.