Every person in the world has either heard of or has tried coffee. There a lot of people who cannot think of their day starting without a cup of coffee. Coffee still plays a huge role in society. Every person knows that every big city in the world owns many chains of coffee shops. Nowadays, it is not hard for people to get coffee whenever they want to and there are not that many places where coffee is not being served. Apart from coffee, caffeine can also be found in tea, soft drinks, chocolate and even some nuts. Every person knows that caffeine is a stimulant but only few worry about the effects it has on the body.
Caffeine and tea
Not a lot of people know that tea contains two alkaloids, just the same as caffeine. These alkaloids are supposed to relax the smooth muscles, while the coffee stimulates the heart and respiratory systems. This is one of the main reasons why people choose tea over coffee when they need to relax.
Stimulating body and mind
People who drink a lot of coffee should get to know how it affects the body, because it does in lots of ways. First of all, people need to know that it stimulates the central nervous system which results in an increased heart rate. Apart from that, coffee also increases blood pressure, dopamine levels, decreases blood flow to skin and inner organs, releases free fatty acids from fatty tissue and even affects the kidneys.
Caffeine withdrawal is a common problem for people who used to drink a lot of coffee but have suddenly stopped. Headache, fatigue, depression and mood changes are common side effects felt in the first 48 hours.
Not a lot of people are aware of the fact that coffee is good for the exercises and that people should drink a cup before doing so because it helps the body and mind to remain active. It also increases stamina.
Coffee and sleep
When the day draws to an end, the body is aware of that and goes through several changes and gets ready for sleep. Melatonin increases and a person relax. Drinking coffee suppresses Melatonin and increases adrenaline, which is the total opposite of going to sleep. This is why people should avoid drinking coffee before they go to sleep and why it is best for people to consume it in the morning. Certain studies show that people who drink coffee regularly need twice as much time to go to sleep than people who do not consume it. Too much coffee causes anxiety and anxiety is known as one of the main causes of insomnia.