Caffeine is a naturally occurring alkaloid
IS CAFFEINE
ADDICTIVE?
found in 60 plant species. The main sources
available in the United States are coffee,
tea, cocoa beans, and kola nuts.
Caffeine almost completely blocks
adenosine, a chemical which is naturally
produced in our brains and produces a
feeling of tiredness. When a person uses
CAFFEINE
WHAT IS CAFFEINE?
caffeine on a regular basis, the brain gets
accustomed to not using the adenosine.
Consequently, the brain produces more
adenosine receptors, in order to let the
adenosine slot into place in these new
receptors and start to restore the brain’s
natural equilibrium of chemicals. Hence
ADENOSINE
when a regular caffeine consumer takes a
day off from coffee, those additional
adenosine receptors the brain grew are in
fact working naturally and producing a
feeling of sleepiness. Fundamentally, the
caffeinated brain becomes the normal state
of things
CAFFEINE
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