I want to know what high school courses I should...

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What are the high school courses to take to became a doctor ?
usually there is 3 type of academic study during the high school , and some of it wont allow you to study medicine such as IT major 
- the suitable major to study to became doctor is : the science major 
What are the needed topics to learn whether intra- or extra- school topics ?
intra-school topics : 
- chemistry 
- biology 
extra-school topics :
there is no need to have extra-school topics as you need to pay attention to your school study to get high scores to be able to study medicine 
Our advice :
studying medicine is one of the hardest majors , and its a long-term major which will need around 10 - 12 years of your life and may take longer , so before deciding to study medicine , make sure you are ready for it , and able to keep up with the pressure that is on you during study time 
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