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Pulmonary edema is the buildup of fluid in the lungs, usually resulting from the heart's inability to pump blood through the body

The pulp is the center (core) of a tooth. It contains nerves and blood vessels and helps fight infection in the tooth. The pulp

Pulmonary fibrosis is a condition in which scarring occurs in the lungs. It can be caused by an infection (such as tuberculosis or

Seborrheic dermatitis is a skin condition that causes a rash with greasy, flaky skin patches. It often occurs on the scalp and

Secondary enuresis is accidental bed-wetting in the day or night by a child who has had bladder control for at least 6 to 12

Secondhand smoke is tobacco smoke that affects a nonsmoker. Secondhand smoke can come directly from a cigarette or other lit

Psoriatic arthritis is a form of arthritis that sometimes develops in people who have a skin condition called psoriasis. It causes

Psoriasis (say "suh-RY-uh-sus") is a long-term (chronic) skin problem that causes skin cells to grow too quickly and form thick

Prostaglandins are a group of chemicals made by nearly all of the body's cell membranes. Different prostaglandins have different

Seizures are sudden bursts of abnormal electrical activity in the brain that may affect a person's muscle control, movement