Exhausted by Illness, and Doubts

4 Jan

Hentet fra The New York Times

Chronic fatigue syndrome causes a host of debilitating symptoms: profound exhaustion, disordered sleep, muscle and joint pain and severe cognitive problems, among others. But what causes the syndrome itself?

Since the first cases in the United States were identified in the 1980s, scientists have been divided over that question. Some have suspected that one or more viral infections are likely to play a central role.

But many other researchers — not to mention relatives, friends, employers, doctors and insurers of the million or more Americans estimated to suffer from the illness — have dismissed it as stress-related, psychosomatic or simply imaginary.

Now recent back-to-back announcements have highlighted both the volatility of the issue and the ambiguity of the science, and have alternately heartened and dismayed patients.

On Dec. 14, an advisory panel suggested that the Food and Drug Administration ban blood donations by people with a history of C.F.S., as the illness is often called. The goal was to prevent the possible spread of viruses that two high-profile studies had linked to the condition.

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