Bell's palsy is a type of nerve damage that can temporarily paralyze the muscles in the face. People who have Bell's palsy may be unable to generate facial expression--their faces may look droopy on one side or asymmetrical. Steroid medications are sometimes used to reduce the inflammation that may occur.

When doctors check reflexes, they don’t always get a normal response. Clonus, a type of hyperactive reflex, is a rhythmic response to reflex testing. Instead of just one movement, a series of repetitive reflex movements are observed.

Bell’s palsy is a paralysis in the muscles on one side of the face caused by damage to the cranial nerve that controls the muscles in the face. Inflammation of the nerve may occur due to a virus, but often the cause is unknown. Most often, Bell’s palsy will resolve without medical treatment.

To understand how medications can cause hiccups, it helps to know the mechanism of hiccups themselves. Hiccups are a series of interactions between several nerves in the central nervous system, the diaphragm and abdominal muscles, and the glottis--the opening between the vocal cords.

The word "muscle" comes from the Latin for "little mouse." In its overview of how the nervous system works and acts upon other bodily systems, the University of Michigan's Medical School emphasizes that all aspects are always fully coordinated and interrelated. For this reason, subdivisions into "central," "

Vascular dementia, according to the Mayo Clinic, is the term for cognitive impairments that result from a problem with the brain’s blood supply. There are many different types of vascular dementia, and as many as one to four percent of those over the age of 65 will experience some form of the condition.

Vitamin B-12 is a natural alternative treatment, in conjunction with traditional medications to treat Bell’s palsy -- a condition that causes temporary paralysis of one side the face, making symmetrical facial expression impossible.

Sex hormones, such as estrogen and progesterone, control the reproductive organs and responses. Women entering menopause, the period when the ovaries discontinue releasing eggs and produce lower levels of hormones, may benefit from the temporary use of hormone replacement therapy, or HRT.

A transcutaneous electrical nerve stimulation, or TENS machine, provides pain relief by sending low-voltage electrical impulses through electrodes placed on the skin to a painful area on the body. A TENS unit can lessen pain without the use of medication. A TENS machine is generally considered safe.

A vitamin B-12 deficiency can occur if you do not get enough of the vitamin in your diet or if you have a condition, such as Crohn's disease, which affects your absorption of the vitamin.

Pressure headaches can occur when the sinuses become congested. Colds, allergies or a sinus infections can lead to this type of headache, according to the Penn State Milton S. Hershey Medical Center.

Progressive muscular weakness, muscle wasting, loss of coordination, balance problems and walking difficulties are characteristics of a number of diseases.