Body Dysmorphic Disorder(BDD)

• Constant intrusive thoughts of defective appearance of one's own body are present.
• These can range from a feeling that one has a crooked nose or defective smile to distorted figure/physique, although the pervasive flaw may not exist altogether.

Trichotillomania (Compulsive hair pulling)

• There is compulsive strong urge to pull one's own hair and eat it.
• Considerable loss of hair can lead to balding. Intestines, on MRI or CT Scan show accumulation of hair.

Tic Disorders

• These are spasmodic muscle movements like tics and twitches, more common in children.
• They are more common in eyelids and face.

Impulse Control Disorder

• It is a psychiatric condition in which the patient cannot resist any impulse or urge, even if it means harming oneself or others.
• Aggressive responses that are out of proportion to the situation, urge to deliberately start fires or steal something come, under this umbrella term.