Caffeine is known to make you more alert. Adenosine is a chemical in your brain that makes you feel tired. It blocks its effects. It also causes adrenaline to be released, which is the "fight-or-flight" hormone linked to more energy.
One of the best things about caffeine is that it helps people stay awake. Some people, though, find it hard to get enough restful sleep when they drink too much coffee.
The effect of coffee on bowel movements is thought to be due to gastrin, a hormone that the stomach makes that makes the colon work faster. Also, it has been shown that decaffeinated coffee has the same effect.
Damaged muscle fibres get into the bloodstream in rhabdomyolysis, a very bad disease that can cause kidney failure and other issues.
According to a thorough study, caffeine does affect the brain in a way that is similar to how cocaine and amphetamines do, but it does not lead to classic addiction like these drugs do.
It has been shown in several tests to raise blood pressure because it makes the nervous system work faster.
Because caffeine is a stimulant, it may make your heart beat faster.
People know that coffee, tea, and other caffeine drinks can give you more energy.On the other hand, they can make you tired again after the coffee wears off.