Episode 16: Circadian Rhythm & Jet Lag; Exercise and Appetite
Dec 1, 2008
We’ll start this episode by talking about clocks, but not the
type of clock that ticks away on your wall. Instead, we’ll talk
about the biological clocks that tick inside us. Clifford Saper of the Beth Israel
Deaconness Medical Center in Boston will explain some of the
research on circadian rhythm and will share his theory about the
best way to deal with the disruption of the biological clock caused
by jet travel. If you’re traveling this holiday season, or anytime
in the near future, give a listen. (Begins at 3:14)
Do you have a tendency to overeat during the holidays? A new study
finds that exercise affects the release of two hormones that help
regulate appetite, ghrelin and peptide YY. This may help explain
why exercise is often, even if only briefly, associated with
suppression of appetite. David
Stensel of Loughborough University in the United Kingdom
will talk about his study, which appears in the American Journal of Physiology-Regulatory,
Integrative and Comparative Physiology. (Begins at
11:54)
Total Time: 20:27
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