One must use the right herb from the right resource to get the full benefit. Every herb is said to have the property of being either cool, cold, warm, or hot. Cool and cold herbs treat hot symptoms, such as fever, thirst, sore throat or constipation. Warm and hot herbs treat cold symptoms, such as cold hands and feet. Each kind of herb affects a particular channel and organ.
Herbs perform different actions in the body.
These are known as lifting, floating, lowering, and sinking. Herbs are processed before use. There are several reasons for this. First, processing reduces any possible side-effects by detoxifying the herbs, removing any poisons. Another reason for processing herbs is for easier storage.