> I did this as I was eating too many cakes and buns with my coffee and was finding the down from the coffee-high was too soul-destroying in a boring desk-job.
I think his problem is more related to the sugar highs and lows than the coffee itself.
I think his problem is more related to the sugar highs and lows than the coffee itself.
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.