Chewing Gum Can Be a Real Headache

If you use chewing gum and suffer headaches, especially migraines, gum is often the culprit. Teens in particular who often chew gum can find themselves suffering from bad headaches, and not understanding the cause. Chewing gum can also aggravate TMJ.

https://www.sciencedaily.com/releases/2013/12/131219130937.htm