People have different have opinions and reactions to caffeine. It is widely consumed in coffee, diet coke and caffeinated water . The beneficial effects on the human body has been researched quite well to understand the effects.

Performance

Caffeine helps to boost physical performance by about 11 – 12%. Consuming a caffeine related drink will help increase adrenaline levels in your blood. The adrenaline hormone causes your body to activated and prepares you for physical exertions.

Weight

It can help you lose weight. This is because it helps break down the fat cells down. Consuming in large amounts is not safe and should not be used solely to cut down on weight. It can just be part of the regimen to help you but not a means.

Keeps you alert

Moderate intakes of caffeine can help you focus and improve your quality of work. It helps improve your mental alertness which can come in handy when you are having a serious hangover and can’t stay alert.

Reduce risk of cancer and stroke

Studies have shown that caffeine intake can lower the risk of mouth and throat cancer. It has also indicated that the caffeine decreases the risk of developing prostate cancer by about 20% and endometrial cancer in women by about 25%. The amount of caffeine taken is about four cups of coffee in a day. It can also lower the risk of stroke when consumed reasonably.

Protects your body and brain

Caffeine contain antioxidants which help in fighting and protecting against radicals within the body. High levels of caffeine can help reduce the risk of Alzheimer disease and lower the risk of dementia.

Insomnia

Controlled amounts of caffeine are okay but they usually cause restlessness and lack of sleep. It’s important to ensure that you consume in reasonable proportions as some people are caffeine sensitive.

Pregnancy

If you’re a heavy coffee drinker, you should stop when pregnant. This is because studies show that the caffeine will reach the fetus and your baby is highly sensitive to the caffeine. Thus it’s important to decrease coffee consumption during pregnancy as much as possible.