<a href="http://www.accessmylibrary.com/coms2/summary_0286-20825566_ITM" title="Facts and information about You think you're tired? There's ordinary, everyday tired. And then there's dizzy, feverish, might-as-well-be-dead tired (the chronic fatigue syndrome that caused Laura Hillenbrand to write much of her best-seller in bed). But tired or supertired, the point is, it's not all in your head. Mary A. Fischer reports on the discovery of a genetic basis for CFS. Plus: some of the more usual suspects that may be wiping you out.(body wise)">You think you're tired? There's ordinary, everyday tired. And then there's dizzy, feverish, might-as-well-be-dead tired (the chronic fatigue syndrome that caused Laura Hillenbrand to write much of her best-seller in bed). But tired or supertired, the point is, it's not all in your head. Mary A. Fischer reports on the discovery of a genetic basis for CFS. Plus: some of the more usual suspects that may be wiping you out.(body wise)</a>