There are many forms of incense and its use is tied to traditional asian medicine and are still referred today as "fragrant medicines". Use of incense has long been as much for healthy well-being as religious ceremonies. Incense is an aromatic material which puts out fragrant smoke when burned and is used for ceremonies of many religions. It is also sometimes used to cover bad smells and for meditation. Incense is made of plant materials and the forms differ depending on the culture and is usually made of a paste formed around bamboo sticks.