Essay on Caffeine, A Miracle Drug

1860 Words Nov 10th, 2016 8 Pages
Caffeine, a miracle drug, has been around globally for thousands of years. Society is continuously talking about how addicted to caffeine the American population is, but how exactly does it affect the human body? Caffeine may not seem like it can do anything harmful to your body, but I want to push you to think harder on how much caffeine you consume daily, how it affects your body, and maybe even consider cutting back on your daily intake.
We all know what caffeine is, but if asked to scientifically define it could we accurately do so? Caffeine is an antagonist of adenosine receptors as well as a stimulant. It “renders significant physiological effects on its consumers, and individuals often use it in an effort to boost energy or wake up” (Kalumuck, 2016). In other words, we use caffeine to stimulate our central nervous system (CNS) to be able to keep us awake or to prevent the 2:00 crash. The CNS is composed of the brain and the spinal cord. The CNS is composed of nerve cells called neurons which allow the brain and spinal cord to spread information to other neurons within the human body. Caffeine blocks the effects of adenosine and several other neurotransmitters. The purpose of a neurotransmitter is simply to transmit the signal from the brain or spinal cord to where is its intended location. For the sake of this paper, we are assuming that the neurons are transmitting the neurotransmitter adenosine, so as an adenosine antagonist (caffeine) blocks all other…

Related Documents