Wound healing sounds simple, but it's actually quite complicated and involves a long series of chemical signals. Certain factors can slow or prevent healing entirely.

Ulcers are open skin sores. Venous ulcers are leg ulcers caused by problems with blood flow in your leg veins.

Parasomnias are common sleep disorders that are characterized by strange or bizarre behavior or experiences during sleep.

To find out the cause of your sleep problems, you may need many tests. These may confirm or rule out various health conditions and other problems.

Details about common sleep disorders.

Spinal cord compression can occur anywhere along your spine. Symptoms include numbness, pain, and weakness.

A compression fracture is a type of break in the bones in your back that stack up to form your spine. A compression fracture can cause back pain, limited movement, a decrease in height, and a stopped over posture. It often develops as a result of osteoporosis.

Pemphigus is a rare group of autoimmune diseases. It causes blisters on the skin and mucous membranes throughout the body. Pemphigus vulgaris is the most common type of pemphigus.

An IgG deficiency is a health problem in which your body doesn’t make enough Immunoglobulin G (IgG). People with IgG deficiency are more likely to get infections.

Food intolerance means that after surgery you may have problems eating foods that you once ate or that are part of your new diet. This can make it hard to stick to your new diet and keep the pounds off.