Influence of microorganism on human health

There are many kinds of microorganisms. It is generally believed that bacteria and viruses, common microorganisms, are harmful to human body, but in fact many microorganisms are beneficial to human body. For example, there are many beneficial microorganisms in our body, the most famous is lactic acid bacteria, which can help digestion, and there are many edible fungi. For example, some mushrooms that we often eat are actually the fruiting bodies of fungi. The famous Ganoderma lucidum is also a fungus, and Ganoderma lucidum is an annual plant. The so-called Millennium Ganoderma lucidum is actually a wrong statement. Of course, there are many harmful microorganisms, such as Penicillium, various viruses such as the famous HIV, SARS, hepatitis B virus and rabies virus.