Before you choose a career or a major in college, you should start off by determining what you like, what excites you, what interests you and what your strengths are.
Why say, "I want to be a doctor," and you're failing all of your science courses? Why say, "I want to help people," and you know that you get quickly irritated by people and you know you prefer animals and computers?
Take some free self assessments to determine careers that are a match to your skills and interests.
Create an account on the ISAC Student Portal to start career exploration activities.
Illinois Student Assistance Commission (ISAC) - Claim Your Future
Work Values Assessment. Make sure the career you "think" you're interested in is a match for your personality and workplace values.