Caffeine is the
most used drug in the world. Caffeine is used to fuel the human
body, making people feel more awake and energetic. This addictive
drug was discovered in 1819 by a man named Friedlieb Runge.
Friedlieb found this substance while examining mocha beans.
Caffeine can make people more awake, alert, and able to
concentrate. Throughout the day, a chemical called adenosine builds
up in the human body. The nervous system has special receptors to
monitor adenosine levels. As the day goes on, more and more
adenosine passes the receptors making people sleepy. When consuming
caffeine, the
receptors bind together, stopping the adenosine from passing the
receptors. This process leaves people feeling more awake and
focused (Caffeine Informer
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These plants
include, cacao pods,
coffeebeans,
kola nuts, and tea leaves (Bryn Mawr). Caffeine is found in many
processed foods and drinks including, tea, soda, energy drinks, and
the most common, coffee. Caffeine is also found in some sweets
including chocolate. More than 50 percent of Americans drink coffee
daily, most drinking three to four cups. The average amount of cups
consumed each day worldwide is about 400 million cups in counting
(Alton Brown). Studies show that kids and teenages consume about
six percent of the daily caffeine consumption, and nearly 75
percent of children in the United States drink coffee daily (Steven
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When a pregnant
woman drinks coffee, the caffeine crosses the placenta into the
amniotic fluid and into the baby's bloodstream. While the woman's
body goes to work and starts metabolizing and getting rid of that
caffeine, the baby's body is still developing and takes a much
longer time to process the caffeine. As a result the baby is
exposed to all the effects of caffeine much longer than pregnant
woman. Women that are pregnant are recommended to consume no more
than 200 mg of caffeine daily. (SITE)
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