One cup of coffee a day reduces the risk of dementia
A study published in the United States on the 3rd shows that drinking a cup of coffee a day can effectively prevent Alzheimer's disease.
Researchers at the School of Medicine and Health at the University of North Dakota have found that caffeine in coffee can prevent the damaging effects of high cholesterol on brain nerves. The researchers asked experimental rabbits to eat 3 milligrams of caffeine a day-the equivalent of a medium-sized person drinking a cup of coffee a day. During this period, rabbits also eat foods rich in cholesterol every day. Twelve weeks later, laboratory tests showed that rabbits that consumed caffeine every day had a denser blood-brain barrier.
The blood-brain barrier can block some substances from reaching the brain nervous system through the blood circulation, while high cholesterol can destroy the blood-brain barrier and cause brain nerve damage such as Alzheimer's disease.
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Caffeine may prevent and treat multiple sclerosis
Researchers in the United States recently found that caffeine protects mice from diseases similar to multiple sclerosis in humans.
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The smell of coffee can refresh the mind of sleep-deprived people.
Drinking coffee is widely known to be refreshing, but a study shows that you don't have to drink coffee to be refreshed. You just have to go around the coffee shop and smell the aroma of the coffee. The study, conducted by scientists from many countries, found that inhaling warm, strong coffee aromas can alter the activity of certain genes in the brain and reduce sleep deprivation.
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