Symptoms and Causes

Blood Cancer Facts Chronic myelogenous leukemia (CML) is a slow-growing blood cancer. It starts in the bone marrow and causes the body to make too many…

Overview Stuttering is a speech disorder that disrupts the smooth flow of speech. People who stutter face regular interruptions that make speaking difficult. This condition is…

Understanding Kaposi Sarcoma Kaposi sarcoma develops in the lining of blood and lymph vessels. This cancer creates growths called lesions that appear on the skin. These…

Overview Factor V Leiden is a genetic mutation affecting a blood clotting factor. People with this mutation have an increased risk of developing abnormal blood clots,…

Overview Keratoconus is an eye disorder. It causes the cornea to thin and bulge into a cone-like shape. This abnormal shape prevents light from focusing properly…

Overview Eye melanoma is a type of cancer that begins in the melanin-producing cells of the eye. These cells, similar to those that give skin its…

Overview Functional dyspepsia refers to persistent stomach discomfort with no identifiable cause. This condition is sometimes called non-ulcer dyspepsia. Many people experience functional dyspepsia. It tends…

Overview Progressive supranuclear palsy (PSP) damages cells in brain regions controlling movement, coordination, and thinking. This condition affects a person’s ability to walk, maintain balance, move…

Overview Sleep terrors are episodes where a person experiences intense fear, screaming, or crying while not fully awake. These episodes typically last from a few seconds…

Understanding Fluid-Filled Testicular Cysts A testicular sac is an abnormal, fluid-filled pouch that forms in the epididymis. The epididymis is the small coiled tube attached to…