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Prolactin is a hormone secreted by the pituitary gland in both men and women. In women, it prepares breasts to produce milk

Prostatitis is swelling or infection of the prostate. It's usually painful. The prostate is a small organ below the bladder that

Pseudogout is a type of arthritis that causes pain, redness, heat, and swelling in many joints. The symptoms resemble those of

Pulmonary embolism happens when an artery in the lung is suddenly blocked. It's usually caused by a blood clot in a leg vein that

Psychosis is a mental and behavioral disorder in which a person has trouble telling the difference between what is real and what

The ductus arteriosus is a blood vessel in a fetus that connects the pulmonary artery, which carries blood to the lungs, and the

Pasteurization is a process that uses heat to destroy bacteria in milk and other dairy products, fruit juices, and other beverages

Primary progressive multiple sclerosis is a form of MS in which the disease gets worse from the start. It occurs in a small number

Progressive relapsing multiple sclerosis (MS) is a rare form of MS that causes steady damage to nerves when symptoms first appear

The rotator cuff is a group of four tendons and their related muscles that cover the shoulder joint. The rotator cuff helps keep