Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class.
It is the ....
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spinal cord, and the other nerves in your
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A range of studies have examined how
Effects of caffeine on human behavior. Smith A(1). Author information: (1)Center
for Occupational and
Here are seven ways the negative effects of coffee can affect your digestive
system, nutrient and mineral absorption, stress levels and overall
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