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  1. 19533

    I was interested to read about factors influencing the “hunger hormone’s” —ghrelin’s—effectiveness. One factor not considered but seemingly very significant is physical activity. I suggest that it is more useful to understand and encourage the positive effects of physical activity on overall well-being than to develop new drugs that artificially manipulate the release of hormones […]

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  2. Health & Medicine

    Still Hungry?

    New research indicates that diet and lifestyle can affect the body's production of a hunger hormone in ways that might unwittingly foster overeating.

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  3. Humans

    Letters from the April 2, 2005, issue of Science News

    Zoom in, drop out On reading the interesting research on droplets (“Dial-a-Splash: Thin air quells liquid splatter,” SN: 2/12/05, p.