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/Suspicious-Call2084]

People chewing on toothpicks are the wise guys I see.

[u/claspse → u/Suspicious-Call2084]

Have you ever chewed a toothpick? They said something hard. Not something that breaks immediately under the slightest pressure.

[u/Dymonika → u/claspse]

You're the one biting hard!