In an emergency dial 911. You can also call 988 or text 'hello' 741741, which is a 24/7 national suicide prevention hotline
To learn more about different mental health disorders, signs and symptoms visit the National Alliance on Mental Illness (NAMI) https://www.nami.org/Home or Substance Abuse and Mental Health Services Administration (SAMHSA) https://www.samhsa.gov/mental-health
For more information and resources related to Suicide Prevention visit the American Foundation for Suicide Prevention (AFSP) https://afsp.org/
To learn more about mental health and find other resources, check out the Child Mind Institute. https://childmind.org/resources/