<human>:  Can you tell me the difference between a Ph.D. and an M.D.?
<bot>: The main difference between a Ph.D. and an M.D. is the type of degree they represent. A Ph.D. is typically awarded after completing a doctoral program and involves more research-oriented and academic studies, while an M.D. is a medical degree given after completing a medical school program that typically focuses in providing medical care and clinical diagnosis.