I drink herbal teas (especially Essiac tea and eyebright tea and I'm trying to understand why foods that are cooked over 104 degrees destroys the enzymes and nutrients and yet water needs to be boiled to make herbal teas. I would think that the boiled water would kill the enzymes and nutrients in the teas as well and yet the info. I have for making Essiac tea list all the nutrients and the benefits from the tea. Herbs are a type of food too...sort of.