Now many young urban white-collar workers every day the most inseparable beverage is this cup of coffee.

Some people will buy a cup of coffee in the morning before work, as a day of work refreshing tool.

Coffee is a beverage made from roasted coffee beans, and is popular with cocoa and tea as the world's main beverage.

The coffee tree is an evergreen tree of the Rubiaceae family, and coffee for daily consumption is made from coffee beans with a variety of different cooking utensils.

While coffee beans are the kernels inside the fruit of the coffee tree, and then roasted in the appropriate way.

It has the effect of refreshing the mind, promoting metabolism and preventing gallstones.

The benefits of drinking coffee.

1. Helps to lose weight

With muscle exercise, caffeine can accelerate the decomposition of fat and turn excess fatty acids into calories to burn off.

If not after the exercise that goes with it, the excess fatty acids flow back down the bloodstream and build up fat again.

Although coffee itself has calories, but not much, the main calorie is in the creamer and sugar you add when drinking coffee, but a steaming cup of coffee can promote blood circulation, accelerate the consumption of body heat, effective fat decomposition.

2. Antioxidant

Coffee contains four times more antioxidants than tea, which can better fight cardiovascular disease, and coffee itself is also in line with the principle of antioxidants, dark and bitter taste.

The antioxidant content of coffee varies depending on the type of coffee and the brewing method.

For example, American-style coffee contains the least antioxidant quality, while strong coffee contains the most antioxidants.

3. Improve dry eyes

Coffee drinkers are significantly less likely to suffer from dry eyes than non-coffee drinkers.

This is mainly related to the purine component of coffee (eye drops containing purine, which stimulates the secretion of fluid from the glands and has some protective effect on the eyes).

For computer users who love coffee, this is of course good news, but it should be noted that coffee itself has a diuretic effect.

Even if some of its ingredients have a protective effect, for people who already suffer from dry eyes, as well as those who have taken any diuretic agents, caffeinated beverages must be prohibited to avoid aggravating the loss of water in the body.

Drinking contraindications

1. Remember that coffee should not be taken with tea and milk.

Because of the high phosphorus content of milk, can affect the absorption of iron.

The tannic acid in tea and coffee can reduce the absorption of iron by 75%.

It is advisable to take it with warm boiled water.

2. The tannic acid in tea and coffee can make the absorption of calcium lower.

Therefore, the time to drink tea and coffee, it is best to choose between meals.

3. Caffeinated beverages and foods, when consumed in large quantities by pregnant women, can cause nausea, vomiting, headache, rapid heartbeat, and other symptoms.

Caffeine will also enter the fetus through the placenta, affecting fetal development.