Caffeinate With Care: Small Shots Do a Brain Better


	Caffeinate With Care: Small Shots Do a Brain Better

dewitte

4-22-2008 10:43 AM

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tags:

caffeine, wired, alert, energy, adenosine

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<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/068d21f0-8a73-48f0-9481-7e2e9d7bfd2d/26615D24-0924-4EF7-B5DA-8A2D4BAFC76C/" 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.wired.com/medtech/health/magazine/16-05/gs_02caffeinate" href="http://www.wired.com/medtech/health/magazine/16-05/gs_02caffeinate" style="font-size: 11px;">www.wired.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.wired.com/medtech/health/magazine/16-05/gs_02caffeinate"><P><STRONG>Coffee, yerba maté, Red Bull</STRONG>  — there's a caffeinated beverage for every demographic. And no wonder: Caffeine jump-starts the body and sharpens the mind. But studies suggest that we Yanks are doing it wrong. For optimal brain gain, regular tea breaks, as favored in the UK, are more effective than a 20-ounce French roast sucked down at Starbucks in lieu of breakfast.</P></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://www.wired.com/medtech/health/magazine/16-05/gs_02caffeinate"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.wired.com/img/1D9564EF-C041-4E54-84B3-19DD3059AF58" alt="" /></div></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://www.wired.com/medtech/health/magazine/16-05/gs_02caffeinate">Throughout the day, your noodle fills up with adenosine, a chemical thought to cause mental fatigue. Caffeine blocks the brain's adenosine receptors, countering the chemical's dulling effects. To maximize alertness and minimize jitters, keep those receptors covered with frequent small doses — like a mug of low-caf tea or half a cup of joe — rather than a onetime blast. Test subjects reported that periodic small shots made them feel clearheaded and calm, both of which enhance mental performance. Even better, add a lump of sugar or have a carbohydrate-rich snack at the same time for an extra cognitive kick.</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/26615D24-0924-4EF7-B5DA-8A2D4BAFC76C/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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