Are you looking for reliable information about drugs and addiction?
Here are some websites:
The National Institute on Drug Abuse has resources for adults and teens-check out: https://www.drugabuse.gov/.
SAMHSA has resources and information around substance use and mental health: https://www.samhsa.gov/.
The Washington Department of Health has information and resources around tobacco use and prevention: https://doh.wa.gov/you-and-your-family/commercial-tobacco.