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It is no secret that caffeine works as a stimulant for the organism, but at the same time it is a substance that is not considered to be doping for performance. So, do you help us or not when we exercise? The answer is that depending on the type of physical activity and the amount of concrete consumed, but it is true that caffeine can have a positive effect on people. How? "Caffeine can influence your workout routine by affecting your central nervous system," said Dr. Zoe Williams on a BBC series "Trust me, I'm a Doctor" program. When you exercise your body produces a chemical called adenosine, which makes you feel tired by functioning as an energy regulator, "explains Williams, who was also a high-level athlete. "Caffeine what it does is block adenosine receptors in your nerves so the brain perceives less pain and fatigue, and that means that the person is able to hold on more time." This means that caffeine is u

We are just beginning the year and we have a news of infarction, as according to various analysts from Citi, Apple could be thinking of buying one of the most popular companies in the world of video streaming as it is Netflix. A few months ago was shuffled the option of purchase Ofdisney by Apple, but because the creative company of cartoons like Mickey Mouse has bought Fox, it seems that Apple will decide to go another way, and the best option available in the market could be Netflix. According to analysts, the purchase could be easily realized thanks to the new fiscal reform of Donald Trump, as it will make the already controversial and mentioned repatriation of the benefits of transnational corporations that generate benefits elsewhere Of the world, as they will be able to take their money to the United States with a tax reduction of 15.5%, when they were previously charged 35%. This means that Apple could move more than 250 million dollars to the United States

Most of us would like to have a shiny white smile. But there are studies that show that between 18% and 52% of people are not satisfied with the color of their teeth. In the United States, for example, teeth whitening is one of the most requested dental procedures, while the British are often the target of jokes for their imperfect dentures. White and perfect teeth populate covers of magazines and movie screens around the world. 1 Why you put your yellow teeth and how to avoid it It is not surprising then that tend to suppose that they are not only attractive, but also healthy. The tone of our teeth depends on their intrinsic color, influenced in part by our genes and our age, combined with the spots of smoking, eating, drinking and taking certain medications. As we get older, our teeth usually become more yellow as the enamel begins to wear out, exposing the dentine (the ivory of the teeth) underneath. Stains and Colors The spots add to the yellowi

4 myths about antibiotics denied by science We have all been victims of some bacterial infection and thanks to the antibiotics we have gone unscathed without many complications. These chemicals are undoubtedly transcendental and have helped save lives since 1928, when the British scientist Alexander Fleming discovered penicillin. This historical fact marked a before and after in the treatment of infectious diseases. It is true that when we prescribe antibiotics we must take certain precautions. Some popular beliefs are totally true, for example that antibiotics eliminate beneficial bacteria from our intestines. So some of them lead to diarrhea and upset stomach However, most of these "precautions" have no validity for experts. Here are the 4 most common myths explained under the magnifying glass of scientists: 1 You should not drink alcohol if you are taking antibiotics. Inevitably the combination antibiotic and alcohol sounds fatal, and even lethal,

The President of the United States, Donald Trump, today used the social networks to answer the leader of North Korea, Kim Jong-un, who said to have access to the nuclear button "all the time", and warn him that he has similar access, but that in his case is "much more GRA where and powerful. " "North Korean leader Kim Jong-Un has just said that the ' nuclear button is on his table all the time. ' Can someone of your regime exhausted and hungry tell you that I also have a nuclear button and that is much bigger and more powerful than yours, "Trump wrote in his personal Twitter account. Trump's statement comes as a reaction to the New Year's message in which the North Korean leader boasts the ability to push the nuclear button at all times. Kim said that Korean atomic capacity is a deterrent source for the United States, which will not dare to start a war now: "There's always a nuclear button on my desk," he snapped.

The supposed benefits of alcohol are zero and its detrimental effects, many, such as cancer and DNA damage of stem cells. This is what the last study done in mice, which actually does nothing but ratify the relationship between alcohol and cancer. This relationship has already been tested on several occasions. The Spanish association against Cancer even warns of this on its website, but until now we did not know the consequences of drinking alcohol in the stem cells, those in charge-among other things-to generate new tissues to repair those that are destroyed. Apparently, as researchers from the University of Cambridge (UK) have shown, drinking alcohol on a regular basis or even on time erodes the defense of cells, particularly the two types of enzyme that defend them from external aggressions. Once they have been deactivated, alcohol attacks the DNA until it destroys the cell. It is a brief summary of all the conclusions of the study, but it serves to illustrate t