<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/c00fc1c3-7d66-4382-ac51-4095a5b384d4/E90B4666-4FC9-45EA-BCCE-27B8907FC302/" 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://www.everydayhealth.com/publicsite/index.aspx?puid=df41950a-4b27-4600-86db-45143561cbcb&p=2" href="http://www.everydayhealth.com/publicsite/index.aspx?puid=df41950a-4b27-4600-86db-45143561cbcb&p=2" style="font-size: 11px;">www.everydayhealth.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.everydayhealth.com/publicsite/index.aspx?puid=df41950a-4b27-4600-86db-45143561cbcb&p=2"><P>For decades, scientists have believed that anxiety results from abnormalities in brain chemistry. They based this conviction on the effects of drugs that reduce anxiety by increasing the availability of certain neurotransmitters in the brain. The first antianxiety drugs were benzodiazepines, which raise levels of the neurotransmitter gamma-aminobutyric acid (GABA). Later, drugs that increase serotonin levels and affect norepinephrine and other neurotransmitters associated with mood also proved effective. But these findings have raised even more questions. For example, what brain structures are involved? What malfunctions in the brain induce anxiety? And what role do neurotransmitters play? </P></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/E90B4666-4FC9-45EA-BCCE-27B8907FC302/blog/" title="blog or email this clip"><img src="http://content7.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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