I spent eight hours yesterday at a Mental Health First Aid USA course arranged by my institution to learn the following: how to identify, understand and respond to signs of mental illnesses and substance use disorders. The training gives you the skills you need to reach out and provide initial help and support to someone who may be developing a mental health or substance use problem or experiencing a crisis. Mental Health First Aid Indeed, such information is useful. Michelle Obama, Chirlane McCray and Patrick Kennedy think so too. They…