A mental health writer creates written content for blogs, websites, online magazines, and print publications. You can write about topics like behavioral health, mental illness, psychology, or psychological development. As a mental health writer, you can work on the staff of a mental health publication or write for different outlets on a freelance or contract basis. Your duties include performing research and obtaining information before writing each piece. If you write journalistic articles, your responsibilities involve conducting interviews. Some mental health writers create blog posts and informational materials for marketing or outreach for a mental health service provider.