Medicine is considered as one of the most important necessity to all of us. It is derived from the Latin words ars medicina meaning “the art of healing”. It is a branch of the health sciences and is the sector of public life concerned with maintaining or restoring human health through the study, diagnosis, treatment and possible prevention of disease, injury and other damage to a body or mind.
It is both an area of knowledge, a science of body system and their diseases and treatment. This branch of science encompasses treatment by drugs, diet, exercise and other nonsurgical means. It is also used to maintain our health. An agent such as drug is used to treat disease or injury. There are different types of medicine, we have herbal medicine, which came from different kinds of plants, medicines treat in hospital and etc. Herbal medicine, also called botanical medicine or