All require good communication skills. Many of the individual El Centro College health career program pages have suggestions for high school coursework that will help you prepare. It's important to your success to be as prepared for as you can be. If you are thinking about a health career, try to spend time in the actual work place. You might work as a volunteer in a hospital or nursing home.
Nothing can take the place of experience in the actual work place.
Conduct some career interviews. The program coordinators and instructors at El Centro have all worked in their professions. They can discuss career options with you. They may also be able to set up an appointment with a working professional so that you may spend some time with them on the job. There is no better way to learn about a career than to talk with someone who works in the position you are striving to reach.