The benefits of drinking coffee to improve the function of small blood vessels
A study announced at the annual meeting of the American Heart Association in Dallas shows that drinking coffee is good for heart health because it improves the function of small blood vessels.
Researchers at the University of Ryukyu in Okinawa, Japan, studied 27 healthy adults between the ages of 22 and 30 who did not drink much coffee. Participants drank a cup (5 ounces) of caffeinated or non-caffeinated coffee. After that, the blood flow of small blood vessels at fingertips is measured by laser Doppler flow meter (finger blood flow is a window of human small blood vessel function). Two days later, the researchers repeated the experiment with other types of coffee and measured blood pressure, heart rate and vascular resistance levels of the participants. It was found that drinking a cup of caffeinated coffee increased the blood flow of small blood vessels at the fingertips by 30%, and caffeinated coffee improved blood pressure and vascular endothelial cell function of the participants.
The researchers said the study explored the effects of caffeine on small blood vessel function and provided important clues to further explore the improvement of coffee on small blood vessel health.
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Why few people drink coffee in Africa
One thing I am very curious about is that coffee comes from Africa, but in many parts of Africa, especially in small towns and villages, few people drink coffee. But after a trip to Uganda's coffee-rich hometown, this question can basically be answered. There are many coffee farmers in the village of Budadiri in Mombali, a small town near the Kenyan border in Uganda.
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According to foreign media reports, a new study found that when people drink coffee, the color of the coffee cup used will affect the feeling of bitterness, white coffee cup can deepen the human body's feeling of bitterness, increase the bitterness of coffee. in that study, researcher reportedly asked participant to drink coffee from white, clear and blue cups and recorded their bitterness
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