Ahh the sugar high!
I think this is a bit of a myth. See this:
http://www.straightdope.com/columns/read/2747/does-giving-sw...
Seems like one early study made the link but the following studies cannot make the link.
I think this is a bit of a myth. See this:
http://www.straightdope.com/columns/read/2747/does-giving-sw...
Seems like one early study made the link but the following studies cannot make the link.
Hypoglucemia (or not being used to it) is what makes you "crash" and get hungry again after a big blood-glucose and insulin spike. In his case the improvements have probably more to do with removing the sugars than the caffeine.