If you're going to abandon coffee and tea to go, so do not rush to give up your favorite morning habit. A series of scientific observations argue that most people one cup of coffee a day is actually really helpful.
1. Coffee does not dewatered
In fact, it quenches thirst as well as "ordinary" water.
Yes, caffeine actually increases the excretion of fluids from the body, but to reach such an effect are needed at least 550 mg of the substance, and one cup of coffee has no more than 100.
2. Coffee can reduce the risk of heart attack
In fact, it reduces the risk of any cardiovascular disease. Suffering from high blood usually give up coffee for fear that it will deteriorate their condition. In fact, the latest research that there is absolutely no connection between coffee and increased risk of heart attack - on the contrary. American researchers observed more than 27,000 people over 15, believe that even 3 cups of coffee a day reduces the risk of heart problems.
Another study shows that if you can talk about harm, it should refer to other beverages containing caffeine.
According to most scientific advice protective effect of coffee is probably due to the antioxidants and other components in coffee grain.
3. Coffee reduces risk of some cancers
In the 80s of the last century it raised a lot of noise about research, according to the results of which coffee may increase the risk of cancer of the pancreas. Point of this argument was raised in 2007, when the scientific community finally recognized (based on the results of 66 studies) that coffee itself is not a carcinogen. Rather, these are cigarettes - the usual companion cup of coffee.
Currently, some scientists now even the opposite - that coffee has a protective effect against certain cancers. For example, Japanese scientists summarize data for more than 90,000 people argue that people who regularly drink 2-3 cups of coffee a day, suffer less from liver cancer.
4. The cream of coffee contains a lot of calcium
Already rejection opinion that coffee leads to excessive excretion of calcium from the body. Yes, caffeine has this effect, but the loss is so insignificant that this warning too, and the possible shortage is due more to the traditionally lower use of milk and milk products from coffee lovers.
5. Coffee invigorates and improves mood
And it's a proven scientific fact - coffee leads to a burst of energy, creating a joyful mood, improves the ability to concentrate.
To achieve this effect, however, it is necessary to drink at least 1-2 cups of coffee each day. They will also reduce the risk of depression.
However, doctors warn that if there are now mental disorders, the coffee must be stopped.
6. Coffee helps recovery after exercise
Therefore no coincidence that most energy drinks contain caffeine. By some estimates, it increases up to 60% body's ability to recover their muscle tone. Scientists connect this vegovo impact the ability of caffeine to accelerate the absorption of carbohydrates, which in turn energizes the muscles.
7. Coffee protects against diabetes and Alzheimer's
At least that show the results of several latest studies attribute this action to the property of caffeine to protect brain cells from harmful effects of cholesterol, which is ultimately one of the reasons for the development of Alzheimer's disease.
Other experiments show that among coffee lovers have less diabetes of the second type.
Nevertheless listed here, the coffee still has some cons, which are also indisputable.
First, caffeine can lead to addiction and denial of coffee in most cases quickly causes the headaches, loss of ability to concentrate and reduced self-esteem.
Moreover, the use of excessive (above 8 cups daily) quantities of coffee can lead to panic attacks, chronic neurosis, rapid heartbeat and even seizures