Wormwood is a herb used for oil and for medicine. Gall bladder disease, and intestinal spasms has good effect. It is also used for treat fever, liver disease, depression, muscle pain, memory loss and worm infections. Wormwood is a bitter herb. Smoking wormwood releases mild effects that help reduce pain, headaches, and even rheumatism. Wormwood is legal in USA. However there is still a question that wormwood works or not?