Generally speaking, coffee contains caffeine. Caffeine itself has a good diuretic effect, and can also stimulate nerve excitement, restore muscle vitality, promote brain activity, improve memory, improve cardiovascular activity, and enhance vascular heart function.

But for minors, the disadvantages of drinking coffee far outweigh the benefits.

1. Drinking a lot of coffee for a long time will easily lead to bone loss and adversely affect the preservation of bone mass.

2. Minors have incomplete liver and kidney development and poor detoxification ability. Drinking coffee will harm the liver and kidney.

3, stimulate nerve development, leading to nerve dysplasia.

Caffeine (English: Caffeine) is a xanthine alkaloid compound, which is a stimulant to human body and can temporarily drive away drowsiness and restore energy. Coffee, tea, soft drinks and energy drinks containing caffeine are very popular, so caffeine is also the most widely used psychotropic drug in the world. It exists in the fruits and leaves of coffee trees, tea trees, Paraguay tea (Madai tea) and Guanana, and a small amount of caffeine also exists in cocoa trees, cola nuts and holly instead of tea trees.