Yes, it's been alternatively known as myalgic encephalomyelitis, chronic fatigue syndrome, or fibromyalgia, since at least the 1980s. We still don't know what c

Yes, it's been alternatively known as myalgic encephalomyelitis, chronic fatigue syndrome, or fibromyalgia, since at least the 1980s. We still don't know what causes it, so it's too soon to answer your last question.