2, 2 cups of coffee: The study found that the human body consumes 200 mg of caffeine every day, which is equivalent to the amount of two cups of coffee. It can prevent memory loss and Alzheimer's disease, and drinking coffee half an hour before exercise can help improve your performance. The disadvantage is that the coffee intake of pregnant women should be less than 200 mg, otherwise there will be a risk of miscarriage.
3, 3 cups of coffee: The advantage of drinking three cups of coffee a day is that it can reduce the risk of ovarian cancer in women by 20% and the risk of gallstones in men by 40%. The disadvantage is that the amount of three cups of coffee will accelerate the heart rhythm and slightly increase the blood pressure, which will increase the risk of heart disease.
4, 4 cups of coffee: 4 cups of coffee contain about 400 mg of caffeine, which can reduce the risk of oral cancer and laryngeal cancer. It can also reduce the risk of colon cancer and breast cancer. The disadvantage is that the amount of 4 cups of coffee will increase the risk of rheumatoid arthritis 1 times.
5, more than 5 cups: drinking 5 cups of coffee a day can reduce the risk of liver damage, its disadvantage is that it will affect the body's absorption of calcium. So drinking too much coffee every day will lead to the loss of minerals and vitamins in the body. The risk of cardiovascular disease will also increase.