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  1. I remember seeing a molecular biology show on the Research Channel at least four years ago discussing the key role of ghrelin in controlling hunger, so this hardly seems to be groundbreaking. I guess the circadian rhythm thing is new, though.
    One interesting thing they discovered previously is that while everyone has a natural set point for ghrelin, starvation can permanently reset the level higher, leading to extreme difficulty in maintaining a normal weight thereafter, once food is easily available.
    Alan, anorexics don’t have a lack of hunger. It is largely recognized as a mental disorder…although I wonder if enough ghrelin would break their will. But it would certainly be great for people on chemo.

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