ENChronic myelogenous (or myeloid or myelocytic) leukemia (CML), also known as chronic granulocytic leukemia (CGL), is a cancer of the white blood cells.
ENChronic traumatic encephalopathy (CTE) is a progressive degenerative disease found in people who have had a severe blow or repeated blows to the head.
ENChronic fatigue syndrome (CFS) is a medical condition characterized by long-term fatigue and other symptoms that limit a person's ability to carry out ordina...