Men who drink too much coffee tend to be "no".
It has become a habit for many people to drink coffee to refresh themselves. But they may not know that excessive consumption of caffeinated drinks such as coffee or cola can affect libido and affect erections in men.
Coffee is refreshing because the caffeine it contains stimulates the sympathetic nerves. Sympathetic and parasympathetic control of the human brain rise and fall each other: the former controls all people's activities during the day, and under the stimulation of the external environment, it will make people excited and exhilarated, while the latter specializes in sex-related activities such as nocturnal erections. It relaxes people.
When the sympathetic nerve activity is frequent, the relatively weak parasympathetic nerve will be suppressed, with clinical manifestations of decreased libido and inhibition of erection.
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Three-in-one instant coffee is an industrial synthesis.
The popular three-in-one instant coffee is an industrial synthetic product, which is mainly composed of granulated sugar, fat coffee companion and coffee. Its nutritional composition is not as good as the traditional coffee made from fresh coffee beans. It has higher fat and sugar content, lower quality protein and caffeine, and may lose the essence of coffee in the production process. For obese people and people who are losing weight, although there are few reports
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Coffee is probably one of the causes of rheumatoid arthritis.
Coffee can not only relieve fatigue, but also relax the mood. However, coffee should also be drunk in moderation, and large amounts of caffeine are bad for the human body. Coffee is likely to be one of the causes of rheumatoid arthritis, the study found. Many people doubt the authenticity of this study, although there is not enough evidence to prove that coffee drinking is the cause of rheumatoid arthritis, but this is the first time
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