This is a nice example of the fact that ergogenic aids are not necessarily
universally ergogenic physiologically. How do you reconcile a caffeine
induced reduction in peak myocardial blood flow with fidnings that
caffeine does not negatively impact cardiac function measured as heart
rate , stroke
I was curious if anyone else had seen a news release from a recent
study in the Journal of the American College of Cardiology entitled
Caffeine decreases exercise induced myocardial flow reserve Namdar M
et al, Vol. 47(2), pp 405-410, 2006.
Yes, I saw a short news item about the report and
(from Nutraingredients-usa) had an
interesting quote from the corresponding author Dr. Philipp Kaufmann:
We now have good evidence that, at the level of myocardial blood flow,
caffeine is not a useful stimulant. It may be a stimulant at the cerebral
level in terms of being more awake and alert, which
