A caffeine

Barista: How do you take your coffee? Me: Very, very seriously.”

Por Jeff Figueroa

Over the centuries, people have created many rituals to accompany the consumption of their favorite drinks, tea, and coffee. Just think of the Japanese tea ceremony, British afternoon tea, or the morning coffee ritual in countless societies. Why are these drinks so popular? The answer is their secret ingredient – caffeine. In the modern world, the new caffeine «delivery systems» are canned «energy» drinks. And the more modern our world gets, the more we seem to need caffeine. People have known for years that caffeinated drinks make you less tired and more alert. This dual power of caffeine to counteract physical fatigue and increase alertness is part of the reason why it is the world´s most popular mood-altering drug. It is the only habit-forming psychoactive drug we routinely serve to our children. In fact, most babies in the developed world are born with traces of caffeine in their bodies.

Most people don´t think twice about their caffeine intake. However, it raises blood pressure and thus increases the risk of heart disease. So the widespread use of caffeine is now a cause for concern among scientists and public health authorities. One result of this concern is that you are not allowed to sell energy drinks in France or Denmark. And in other European countries, manufacturers have to label cans with warnings. The United States has no such rule, but many canned energy drinks sold in the USA carry warnings anyway. On the other hand, much of the research suggests that caffeine may have benefits for human health. Studies have shown it helps relieve pain, reduces asthma symptoms, and increases reaction speed. Despite this, a study in Ireland recommended that children and pregnant women, among other groups, shouldn´t drink energy drinks.

 

 

According to Czeisler, the modern craving for caffeine is a Catch 22 situation. The main reason that people want caffeine is to stay awake. He says. But the main reason that people can´t stay awake is the don´t get enough regular sleep – because they use caffeine.

«Caffeine helps people try to override the human rhythm that is in all of us,»

Charles Czeisler

But we need coffee – or Diet Coke or Red Bull – to get us out of bed and back to work. For most human existence, the pattern of sleeping and waking has followed sunrise and sunset, explains Charles Czeisler, a neuroscientist at Harvard Medical School. Then, the way we work changed from a schedule built around the sun to an indoor job timed by a clock, and consequently humans had to adapt. Electric light and caffeinated food and drink allowed people to follow a work schedule set by the clock, not by daylight or the natural sleep cycle. Therefore, without caffeine, the 24-hour society of the developed world simply couldn´t exist.

Caffeine helps people try to override the human rhythm that is in all of us, says Czeisler. Nevertheless, he says solemnly, there is a heavy, heavy price to pay for all this extra wakefulness. Without adequate sleep – the conventional eight hours out of each 24 is about right – the human body will not function at its best, physically, mentally, or emotionally, the doctor says.

 

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