Chewing different materials affects the brain and a new study found that chewing on wood (wooden tongue depressors), compared to chewing gum, led to a significant increase in a natural brain antioxidant called glutathione, and better performance on memory tasks.

[u/mvea]

https://www.psypost.org/chewing-wood-may-boost-memory-and-brain-antioxidants-study-finds/

[u/enigmaroboto]

African Chew Sticks

https://africaimports.com/chew-sticks-various-flavors-1-lb

[u/cdank → u/enigmaroboto]

We have those here too. We just call ‘em “sticks”.