The Effects Of Caffeine On The Human Body

It is absorbed through the stomach and reaches the highest level in the bloodstream after one or two hours. Caffeine reaches the brain quickly and acts as a stimulant for the nervous system. The most noticeable effect of caffeine is alertness. It causes us to feel less tired, so it is a main ingredient in medicines designed to prevent exhaustion. Unfortunately, it is possible to have an overdose of caffeine or a caffeine withdrawal. If too much caffeine is ingested, it can cause hallucinations and confusion. If someone is used to having caffeine on a regular basis, and then doesn’t have it for a while, it can cause irritability, drowsiness, nausea, and anxiety. Caffeine can also cause raised levels of stomach acid, which can cause heartburn. It is not a good thirst quencher because it signals your body to get rid of water. Surprisingly, additional caffeine is not stored in the body. The liver processes it and it exits through urine. Caffeine can also affect the skeletal systems. Ingestion of large amounts of caffeine can interfere with the absorption and metabolism of

Studies show that caffeine can increase the speed at which athletes can run. It is a strategic, legal stimulant to help your speed. More than two thirds of Olympic runners drink a caffeinated drink to help their performance. For long events such as marathons and half-marathons, caffeine is shown to reduce the athlete’s perception of effort. Caffeine can also increase mental alertness and improve your mood. Basically, it makes running seem easier. Additionally, it makes fat easier to use as an energy source. This conserves the ‘burning’ of glycogen, which can improve performance in the last legs of the race. Although researchers are not positive why caffeine makes fat easier to use as an energy source, they know that as caffeine levels in the body increase, the concentration of fat in the bloodstream increases, which makes it easier for the body to utilize the fat and use it as energy. Reaction time, coordination, and performance in heat are also affected after the ingestion of caffeine. A recent study on the effect of caffeine on athlete’s performance in heat showed that athletes that ingested caffeine before running in high temperatures completed 15-23% more work than those who used water or another widely used sports drink. Caffeine can also help athletes recover after a sporting event, when used with carbohydrates. Research shows that drinking a beverage with both caffeine and carbohydrates in it rebuilds glycogen 66% faster than a regular drink with only