 [ Symptoms ] how bad is smoking herbs such as mugwort and damiana  i am aware it is harmful regardless but i wanted to know how bad it really is for someone who smokes around three pipe bowls a week these are pure herbs with no additives not necessarily those two only thank you [ Disease ] they are both from the foxglove family and inhibit the blood flow to the brain foxglove is poison used in potions in the 18 19th century causing death