The brain is a complex organ that produces all kinds of physical and emotional effects on your body. Sometimes, emotional trauma or psychological stress can trigger physical symptoms. When this ...

Conversion disorder is a psychiatric condition in which a person has neurological symptoms like paralysis or blindness with no physiological cause. In the past, such events were often described as ...

Facial tics are uncontrollable spasms in the face, such as rapid eye blinking or nose scrunching. They may also be called mimic spasms. Although facial tics are usually involuntary, they may be ...

‌Hemifacial spasm is a disorder of the nerves and muscles that causes nonpainful involuntary twitching on one side of the face. Many people refer to hemifacial spasms as lip muscle spasms. Hemifacial ...

Conversion disorder is a psychiatric condition in which a person develops physical symptoms that are not under voluntary control and are not explained by a neurological disease or another medical ...