Adenosine triphosphate (ATP) , which gives energy to the cells in our body, breaks down into adenosine and triphosphate when our body needs energy.
This adenosine in the blood attaches to the receptor in the neurons in our brain, which slows down the communication in the brain and causes fatigue in the body. This adenosine dissolves naturally in our brain within a few hours, after which the brain is rejuvenated and tired.
The coffee we drink contains a chemical called caffeine . The adenosine form and the caffeine form are almost the same. Caffeine replaces adenosine due to morphological similarity and attaches to the neurons in the brain, eliminating the fatigue caused by adenosine and rejuvenating for a few hours, re-occurring after the caffeine dissolves in the neurons.
This is because when we drink coffee, a large number of neurons in the brain develop receptors . This is why neurons in the brain are stimulated and we become addicted to the habit of drinking coffee .
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