Hi @EmineYüceKa834, welcome to our community! We're glad to have you here.
As a start, I recommend checking our Marketplace Insights tool to check the availability and demand of the course you're planning to teach. Since your topic is in the medical area, I also recommend that you contact our Trust & Safety team at policy@udemy.com before building your course to ensure the content will be eligible for publication.
If you have any questions, don't hesitate to reach out.
All the best!
Bella Almeida
Udemy Community
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