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The efficacy of American black coffee
American black coffee can refresh the brain, black coffee in the caffeine can stimulate the human central nervous system, so that the human mind to stay awake, but also allows people to be full of energy, often overtime and late at night, you can drink some black coffee, refresh the brain, improve work efficiency.

The caffeine in black coffee can also promote the secretion of gastrointestinal digestive juices after absorption, which can accelerate gastrointestinal peristalsis and improve gastrointestinal digestive function, and regular consumption can prevent gastroptosis and play a laxative effect.

Black coffee can also lose weight, black coffee is a recognized drink to lose weight, especially the original black coffee without sugar, but also to accelerate the body fat burning and metabolism.

The linoleic acid contained in black coffee can prevent the formation of blood clots, but also enhance vascular contraction, relieve migraine headaches, reduce the chance of stroke.

Black coffee contains tannins, the flavor has a strong adsorption capacity, if the living room has just renovated, you can cook a pot of coffee indoors, the odor is quickly eliminated.

Black coffee also has an antioxidant effect, which helps prevent cancer and anti-aging.

In addition, black coffee can also stimulate the gastrointestinal secretion of gastric acid, to help digestion, to prevent gastroptosis