Medical scientists help develop new medical breakthroughs that benefit humanity. This process involves a great deal of research to find out the effects of new drugs and vaccines. They investigate disease that can harm humans. They also work with the health department. The salary is 90,230 a year. They need a P.H.D. they need a medical degree, they also have to have a license. Reflection: i would like to be in this career because i get to learn about new disease and in can help people fight them.