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Alcohol, Tobacco, Drugs & Mental Health

Building the evidence base for what works

Our Impact

See all Alcohol, Tobacco, Drugs & Mental Health Impacts

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  • 53M adults harmed by another's drinking, according to ARG research
  • 539 California cities & counties—every jurisdiction in the state—assessed on their local cannabis regulations
  • 200+ hospitals have adopted the CA Bridge model to provide Medication Assisted Treatment 24/7

Our Work

PHI is building the evidence base for what works to reduce the rates of substance abuse and mental health issues, with nationally recognized epidemiological research and an eye on inequities across populations. We also focus on substance abuse-related concerns such as physical injury, violence and mental health issues, and on improving interventions in primary care and treatment settings. PHI examines the role of gender, ethnicity, sexual orientation and socioeconomic status in drinking and drug use. We evaluate treatment readiness and access. And we work on tobacco addiction and policy approaches to reduce its spread.

PHI Priority

Building Health Equity

Research can inform guidelines and policies that impact large-scale inequities. PHI’s Center for International Tobacco Control found that a small tax increase on cigarettes in China would prompt 4 million smokers to quit—saving 1 million lives. This recommendation was adopted by the WHO, World Bank and the Chinese Centers for Disease Control and Prevention.

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Breakthrough Infection Study of Over 600,000 Veterans Shows Declining COVID-19 Vaccine Protection

A new pre-print study of over 600,000 veterans by researchers from PHI and the Veterans Affairs Medical Center finds that overall COVID-19 vaccine protection declined significantly between February and August 2021. Declines were greatest for the Johnson & Johnson vaccine (from 88% in March to 3% in August), followed by PfizerBioNTech (91% to 50%) and Moderna (92% to 64%).

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