A great resource to learn more about mental health is NAMI, the National Alliance on Mental Illness. NAMI is America's largest mental health care institution. Their website offers insight into all areas of mental health, including articles and answers to most questions you may have. https://www.nami.org/home
American Psychological Association (APA)
The APA is one of the foremost institutions representing a large consortium of psychology professionals. Their members include health care professionals from all areas of the mental health spectrum and psychological related industries.
They strive to provide and convey important knowledge and education to the public. Their main goal is to improve the lives of people affected by mental health concerns. https://www.apa.org/