Side effects of Allopathy

Medicine Scientists agree that they do not know even 2% of the working of the human body. Medicines are based on this 2% knowledge of the human body. Everybody in allopathy tells me (One Cure for All Diseases) little knowledge is dangerous. I know nothing about medicines, human body or other biology. Now who would say that 2% is too much knowledge. They pride themselves on 2% being too much...