Advantages and disadvantages of different number of coffee cups
There seems to be a constant debate about whether coffee brings more health benefits or more harm. How much coffee should I drink every day?
1 cup of coffee
Benefits:
Greek researchers studied 485 people over the age of 65 and found that one cup of coffee a day can keep arteries healthy and stabilize blood pressure. A survey of 600 volunteers at the University of Bristow in the UK also showed that one cup of coffee a day can boost brainpower.
Disadvantages:
It takes eight hours for caffeine to be fully excreted, so if you drink coffee after 3 or 4 p.m., you are prone to sleep disorders.
2 cups of coffee
Benefits:
A study by the University of Florida found that 200 milligrams of caffeine, equivalent to two cups of coffee, can prevent memory loss and Alzheimer's disease. Research in the International Journal of Sports Medicine also shows that drinking coffee 30 minutes before exercise can help improve performance.
Disadvantages:
If you are pregnant, you should consume less than two cups of coffee, otherwise it will increase the risk of miscarriage.
3 cups coffee
Benefits:
A study published in the American Journal of Chemical Medicine found that three cups of coffee a day reduced women's risk of ovarian cancer by one percent. Men who drank three drinks a day had a 40% lower risk of gallstones.
Disadvantages:
A 2006 study in the United States showed that three cups of coffee a day increased heart rate and blood pressure slightly, which may increase the risk of heart attack.
4 cups coffee
Benefits:
A study by the University of Utah found that four cups of coffee contain about 400 milligrams of caffeine, which can reduce the risk of oral and throat cancer by 39 percent. In addition, it can reduce the risk of colon cancer, breast cancer and type 2 diabetes.
Disadvantages:
Four cups of coffee a day doubled the risk of rheumatoid arthritis.
More than 5 cups
Benefits:
A 10-year study of 90,000 people by researchers in Tokyo found that five cups of coffee a day reduced the risk of liver damage by three to four.
Disadvantages:
Caffeine interferes with calcium absorption and increases the risk of osteoporosis. Drinking too much will accelerate the loss of minerals and vitamins in the body. While increasing high blood pressure, it also increases the risk of cardiovascular disease.
Even if there are many reasons why you love coffee, make it a good partner for a healthy life first. Therefore, experts warn that for most people, the total daily intake of caffeine had better not exceed 250 mg, which is equivalent to drinking 3 cups of coffee.
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Teach you how to choose and buy coffee beans of better quality
How to judge the quality of beans from their appearance? From its color-whether glossy, uniform color without spots; smell its fragrance-whether fragrance is rich; oral brittleness-- put into the mouth to bite, whether crisp sound, good taste, and finally to see if the bean shape is full and has weight. Because you can't make mellow coffee without good coffee beans / powder. Second, pay attention to coffee beans.
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Coffee trees grow around the equator.
Coffee trees grow in tropical or subtropical agricultural gardens centered around the equator and called coffee belts. Most of the coffee production is between the Tropic of Cancer, 25 degrees north of the tropical or subtropical equator and 30 degrees south of the equator. An area with an annual average temperature of 16-25 degrees Celsius, no Frosts Descent and rainfall of 1600-2000 mm. At present, coffee is mainly produced by seven countries.
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