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

Progestin is a synthetic hormone used to affect a woman's body in the same ways as the hormone progesterone. The ovaries produce

Haglund's deformity, or "pump bump," is a type of bursitis of the heel. Bursitis is an inflammation of the sacs (bursae) that

The prostate is a small, walnut-shaped organ that produces most of the fluid in semen. It lies just below the bladder. It

Protein is an essential nutrient made up of building-block chemicals called amino acids. Protein provides energy and is needed for

Clostridioides difficile colitis (or C. diff colitis) is inflammation of the large intestine (colon) caused by a certain type of

Purpura is sudden, severe bruising that may be localized, regional, or widespread and that occurs without an injury. People who

Progesterone is a hormone produced in the ovaries during the second half of the menstrual cycle that helps prepare the uterus for

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