1. The influence of drinking coffee for a long time mainly depends on the frequency and time of drinking coffee. Generally speaking, drinking coffee in moderation will have no effect.

2. Coffee contains polyphenols, caffeine, protein, fat, cellulose, minerals and other nutrients, which are necessary to maintain the normal operation of the body, so drinking coffee in moderation is beneficial to the human body.

Although coffee has certain nutritional value, we should pay attention to avoid drinking coffee before going to bed, so as not to affect sleep. In addition, it is best to give priority to freshly ground coffee and avoid instant coffee.

In short, the human body needs a lot of nutrients, which should be balanced and comprehensive, not too single, so as not to cause malnutrition.