How old where you when you realised you wanted to be a medical doctor?

Question: How old where you when you realised you wanted to be a medical doctor?
- Keywords:
  career,
  medical doctor
Asked by aidanlyster_ to Beth on 6 Oct 2015. This question was also asked by James, Waqas_Khanx.
- Beth Healey answered on 6 Oct 2015:
  
  It’s always been an interest of mine but I don’t think I had completely decided even after my A-levels so I took a Gap Year to be sure!

Question: How old where you when you realised you wanted to be a medical doctor?