Differentiate between early beliefs about the causes of diseases and treatment and current beliefs abaut disease and treatment

Early beliefs of disease were things such as religion and karma. Early beliefs about treatment were things such as expelling demons and doing a lot of good things for people. Current beliefs about disease are pathogens, bacteria, viruses, etc. Current beliefs about treatment are antibiotics, surgery, chemotherapy for cancer, etc.

So you and your partner don’t get sexually transmitted diseases and so your partner doesn’t get pregnant