These individuals may struggle to concentrate at work, keep up with social commitments or even find it difficult to perform basic tasks without feeling depleted. For them, fatigue isn’t simply ...

Charles Shepherd, MD, was a “perfectly healthy” 30-something-year-old when he came down with chicken pox, which he caught while treating a patient with shingles. Even after the painful, itchy rash ...

What causes chronic fatigue syndrome? From viral infections to immune disorders, discover the triggers and symptoms behind ...

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 ...

The economic consequences of chronic fatigue syndrome are enormous. Yet federal research funding bears almost no relationship ...

The CFS certification indicates that a financial professional is skilled at managing mutual funds and developing sophisticated investment strategies. Developed in 1988 and issued by the San ...

All products featured on Self are independently selected by Self editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. AnnaStills/Getty Images ...