Quote:
Originally Posted by kenzar
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caffeine intake illicits a norepinephrine/epinephrine release, resulting in dilation of blood vessels predominately in the lungs (allowing in a higher efficiency in respiration) and the brain (resulting in higher alertness). The presence of those 2 hormones also releases higher levels of adrenaline into the bloodstream, reducing fatigue felt from long term physical activities. Read a book sometimes, geez.
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I find it extremely hard to believe he could do some level of activity with coffee that he could not without it.