Follow The young people in our setting are over 18. Can we still run tMHFA? September 21, 2017 06:42 Mental Health First Aid Australia FAQs teen MHFA Running tMHFA in community settings No. The course was developed for young people under 18 and is not suitable for those over 18 as the content is too young. Please refer to our Course overview page to find the best course for your circumstances. 0 Comments Article is closed for comments.