Surprising ways caffeine affects the body and the brain

Coffee, tea and car are three of the many substances most of us consume to get their daily caffeine dose. But what exactly happens to our body and brain when we take this colorless, tasteless and non-brittle xanthine alkaloid, asks iflscience ?

From the bloodstream to the brain, caffeine affects many parts of our body in a different way. He not only wakes us up early in the morning but also improves our mood, makes us more focused and reduces appetite.

• Most elderly people who are in good physical health can safely consume up to 400 milligrams of caffeine per day. For reference - Red Bull canine contains about 80 milligrams.

• In moderate doses, caffeine may temporarily increase blood pressure. However, it does not rise so high as to damage the healthy body.

• Caffeine can improve memory in some people. It seems, however, that it is most effective for those who have not developed addiction to it.

"He can block certain molecules in the brain, called adenosine, that get us down." As a result, we feel more alert.

• By isolating adenosine, caffeine stimulates the brain to produce two natural stimulants - dopamine and glutamine. They improve our mood and even reduce the risk of depression.

• Caffeine (in moderate doses) makes us more focused. In larger ones, however, the opposite is true.

• According to some studies, he even reduces appetite.

• Caffeine increases levels of acidity in the stomach, which in turn can lead to the formation of heartburn.

Caffeine causes the brain to stimulate the adrenal glands to form more adrenaline. This makes us more irritable and emotionally charged.

• It takes 5-6 hours before 50 percent of caffeine we eat will lose the effect.

source: Science Alert