Heterobasidiomycetes, including the jelly, rust and smut fungi; Previously the entire Basidiomycota were called Basidiomycetes, an invalid class level name coined in 1959 as a counterpart to the Ascomycetes, when neither of these taxa were recognized as divisions.
Too much of anything is bad is general rule of thumb. I found several articles which favour eating peppermint and detail side effects of over consumption. But in general there are some side effects of eating altoids and other mint gums. Mouth sores, headaches, stomach burns are few of them. Check out following links for more information. peppermint: Uses, Side Effects, Interactions and Warnings.
Peppermint Tea. Peppermint is a minty cool herb that usually comes in the form of post-dinner breath mints, toothpaste, gum and of course, tea. Peppermint has the ability to heal an upset stomach, cure bloating, indigestion and flatulence which is basically when a lot of gas builds up in your stomach.