Fibromyalgia (FMS) and chronic fatigue syndrome (CFS), also called myalgic encephalomyelitis (ME/CFS), are chronic conditions that have similar symptoms. Both cause extreme tiredness, which could ...

Acute and chronic conditions typically differ in how they develop and how long they last. Broadly speaking, acute conditions occur suddenly, have immediate or rapidly developing symptoms, and are ...

About 23,690 new cases of CLL (14,340 in males and 9,350 in females) About 4,460 deaths from CLL ( 2,810 in males and 1,650 in females) CLL accounts for about 1 in 3 new cases of leukemia in the US, ...