<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/2a7daf69-2a2c-4249-b9bc-530708ecaff3/24915F68-B0CE-4D68-9A19-0DA18FAB27B4/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://bodyandhealth.canada.com/channel_condition_info_details.asp?disease_id=199&channel_id=11&relation_id=10899&rot=2" href="http://bodyandhealth.canada.com/channel_condition_info_details.asp?disease_id=199&channel_id=11&relation_id=10899&rot=2" style="font-size: 11px;">bodyandhealth.canada.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://bodyandhealth.canada.com/channel_condition_info_details.asp?disease_id=199&channel_id=11&relation_id=10899&rot=2"><B>Seasonal affective disorder, or SAD, is a type of depression that seems to be related to the amount of daylight to which people are exposed</B>.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://bodyandhealth.canada.com/channel_condition_info_details.asp?disease_id=199&channel_id=11&relation_id=10899&rot=2">About one third of those affected have actual SAD and the other two thirds have some symptoms of SAD or "winter blues." It is three to four times more common in women than in men and it usually begins when people are in their twenties.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://bodyandhealth.canada.com/channel_condition_info_details.asp?disease_id=199&channel_id=11&relation_id=10899&rot=2">It is believed to be caused by a decrease in the person's exposure to sunlight.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://bodyandhealth.canada.com/channel_condition_info_details.asp?disease_id=199&channel_id=11&relation_id=10899&rot=2">It may be linked to the body's internal clock, which controls temperature and hormone production. </blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://bodyandhealth.canada.com/channel_condition_info_details.asp?disease_id=199&channel_id=11&relation_id=10899&rot=2"><B>SAD may also be related to the levels of <I>melatonin</I> in the body, a hormone secreted by the pineal gland</B>.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://bodyandhealth.canada.com/channel_condition_info_details.asp?disease_id=199&channel_id=11&relation_id=10899&rot=2">SAD is more common among people who live in northern climates, or among people who move from a sunny, southern climate to a more northern climate. </blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/24915F68-B0CE-4D68-9A19-0DA18FAB27B4/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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