Certainly not all wood is safe. Some plants are toxic. Lots of wood products have been treated with chemicals and insecticides, so those aren’t a good idea, either.

Chewing wood provides sliver of hope against memory loss By Lois M. Collins, Deseret News | Updated - March 16, 2025 at 9:19 a.m. | Posted - March 9, 2025 at 8:19 p.m.