34.0 MB (1.2 MB compressed)
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33.5 x 25.4 cm ⏐ 13.2 x 10.0 in (300dpi)
THEVISUALMD / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY THEVISUALMD / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
Sleep fights weight gain. The hormones that control your appetite, leptin and ghrelin, are thrown out of balance when you don't get enough sleep. Leptin, produced by your fat cells, tells your brain that you are full. Gherlin, produced by your stomach, tells your brain that you are hungry. Medical visualization of human scanned data showing a man sleeping.
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