Vegetarianism a Cause of Tooth Decay? Um, No. Not Exactly.

Did you hear the one about the “new” study finding “that vegetarians are much more likely to suffer from tooth decay, lower (more acidic) salivary pH levels, and lower stimulated saliva flow than control subjects that were matched by sex and age”? We did (thank you, Google Alerts). Only the study’s not new. And that’s …