Essential Tremors (ET) also known as benign tremor, familial tremor, and idiopathic tremor. Essential tremors are involuntary trembling in one or more parts of body. The cause of tremors is due to problems in parts of the brain that controls muscle in the body or in specific parts of the body, such as hands. It can also affect arm, head, eyes, face, vocal cord, trunk, and legs. Most tremors occur in the hands, which can impair patient's ability to eat, shave, write, and perform household activities and functions in the workplace. Essential tremors are most common in people who are middle-aged and older, but anyone can suffer from this disorder. Treatment to relieve this disorder depends on their causes. Tremors can be treated by medicines or surgical procedure to improve muscles control. Essential tremors are not life threatening. However, they can be a cause of embarrassment and make it difficult to perform daily tasks.