Diseases

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DEFINITION Losing a loved one is one of the most distressing and, unfortunately, common experiences people face. Most people experiencing normal grief and bereavement have a period of sorrow, numbness, and even guilt and anger. Gradually these feelings ease, and…

DEFINITION Ice cream headaches are brief, stabbing headaches that can happen when you eat, drink or inhale something cold. Digging into an ice cream cone is a common trigger, but eating or drinking other frosty items, such as ice pops…

DEFINITION Cirrhosis is a late stage of scarring (fibrosis) of the liver caused by many forms of liver diseases and conditions, such as hepatitis and chronic alcohol abuse. The liver carries out several necessary functions, including detoxifying harmful substances in…

DEFINITION Chronic exertional compartment syndrome is an exercise-induced muscle and nerve condition that causes pain, swelling and sometimes even disability in affected muscles of your legs or arms. 
   
 Anyone can develop chronic exertional compartment syndrome, but it’s…

DEFINITION Churg-Strauss syndrome — also known as eosinophilic granulomatosis (gran-u-loe-muh-TOE-sis) with polyangiitis (pol-e-an-jee-I-tis) — is a disorder marked by blood vessel inflammation. This inflammation can restrict blood flow to vital organs and tissues, sometimes permanently damaging them. 
   
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DEFINITION Chronic traumatic encephalopathy (CTE) results from blows to the head over a period of time that cause concussion (mild traumatic brain injury). These injuries lead to difficulties with thinking (cognition), emotions and behaviors that do not become noticeable until…

DEFINITION Most people have headaches from time to time. But if you have a headache more days than not, you may be experiencing chronic daily headaches. 
   
 The incessant nature of chronic daily headaches makes them among the…

DEFINITION Chronic myelogenous leukemia (CML) is an uncommon type of cancer of the blood cells. The term “chronic” in chronic myelogenous leukemia indicates that this cancer tends to progress more slowly than acute forms of leukemia. The term “myelogenous” (my-uh-LOHJ-uh-nus)…

DEFINITION Claudication is pain caused by too little blood flow, usually during exercise. Sometimes called intermittent claudication, this condition generally affects the blood vessels in the legs, but claudication can affect the arms, too. 
   
 At first, you’ll…

DEFINITION Clubfoot describes a range of foot abnormalities usually present at birth (congenital) in which your baby’s foot is twisted out of shape or position. In clubfoot, the tissues connecting the muscles to the bone (tendons) are shorter than usual.…

DEFINITION Chronic lymphocytic leukemia (CLL) is a type of cancer of the blood and bone marrow – the spongy tissue inside bones where blood cells are made. 
   
 The term “chronic” in chronic lymphocytic leukemia comes from the…