Usually often take drugs, there is a great danger to the body, as follows: 1, often take drugs will increase the body’s resistance to drugs, that is, often take drugs, the human body will appear secondary failure of drugs occur. The more drugs you take, the more dependence and insensitivity to drugs will occur, so the more resistant the body will be, so often take drugs, the biggest harm to the body is the increase in drug resistance. 2, often take drugs will cause significant stimulation of the body such as the digestive system, for example, often take drugs will cause erosion of the gastric mucosa and corrosion, if often take drugs will also cause.