Posted by Todd (22.214.171.124) on August 16, 2001 at 21:23:59:
In Reply to: SAD posted by Shelley on August 16, 2001 at 20:55:52:
While there is some empirical evidence that the hypothalmus may be involved, this is still firmly in the theory column.
The involvement of circadian rhythyms is even less verifiable.
The Cluster Survey right here on this site shows overwhelmingly that cycles do not coincide with the equinoxes.
Ignoring that, if you beleive that both equinoxes are high points in the ch cycle, how could SAD (Seasonal Affective Disorder) be involved? The spring equinox brings on longer days and more light, while the fall equinox is the harbinger of shorter days and less light.
There is a link here on the Cluster Links page to a site put up by a guy named Paul who does believe in a link between light deprivation and clusters. I couldn't get it to work, so the site may no longer exist. Or I might just be having ISP probs.
Most all of the various theories that are proposed here can be fairly easily disproven just by taking a little time to think them all the way through.
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