Keratoconus (ker-uh-toe-KOH-nus) occurs when your cornea — the clear, dome-shaped front surface of your eye — is thin and gradually…

What is intussusception? Intussusception is a condition that causes an intestinal obstruction (blockage) in one segment of the intestine ‘telescopes’…

Iritis (i-RYE-is) swells and irritates (inflammation) in the coloured ring around the pupil (iris) of your eye. Another name for…

Overview Melanoma, the most severe form of skin cancer, grows in melanin-producing cells (melanocytes)—the pigment that gives the skin its…

Menopause Menopause is the time marking the conclusion of the menstrual cycles. It is treated after you have gone without…

Overview Mumps is a viral infection that affects mainly the saliva-producing (salivary) glands located between your mouth and near your…

Nonalcoholic fatty liver disease (NAFLD) is a paragliding term for a variety of liver conditions that affect people who drink…