the term you're refering to is a medical scientist. usually medical scientists' have to have a bachelors degree in biological sciences, and depending if you want to do lab work, you have to also have a medical degree, which altoghether would take 7-8 years. medical scientists research diseases and such, and also try to find cures, vaccines, etc.
There are may field that search for cures including virologists, microbiologists, and many others. There is no one field to describe this.
Pathologist
Oncologist
people are trying to find cures for diseases that don't have a cure
It helps us to find cures for diseases so that people can live longer and healthier lives.
so they can find cures to diseases
HIV and ADS
All the time- to find cures for diseases, to find out how animals move, and to recreate dinosaurs.
cancer is a disease that has no cure at all scientists are trying their best to find a way to get rid of cancer .. Along with cancer there are many other diseases that dont have cures that scientists are working hard to find a cure for. One of them is leukemia. Leukemia is similar to cancer but a little different. Along with these two I could go down a whole list trying to tell you about diseases that dont have cures. So if this was a question that you hav to have an answer to for homeowrk or something it is like over 30 diseases around that world that dont have cures.
Theologically speaking some Christians would claim all diseases can be cured by God. I am not bashing them because I have a Masters of Divinity degree. Now if you are speaking scientifically you will get an answer that not ALL diseases can be cured as of this date. They are working hard to find cures for many diseases but it takes a lot of time and money to find cures. So the scientists have to choose the most serious and prevalent diseases to research.
if scientists find cures for genetic diseases for example, that effects the economy because people won't need to buy those medications for those genetic diseases that weren't cured before.
Cancer
The nature of a scientist is to figure out answers to problems, help find cures for diseases, and so on.
A Blood specialist studys the blood and all the organs associated with blood. They also study all the blood diseases and find preventions and cures for the blood diseases.
You can find cures for genetically inherited diseases and genetically modify the organism.