Behavioral Health
The stress of experiencing homelessness can amplify previous mental illness and trigger anxiety, depression, fear, substance use, and sleeplessness.
UCSF BHHI behavioral health research focuses on people’s access to permanent housing, mental health services, shelters, and substance abuse support to prevent and end homelessness in the United States.
Related Resources
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News
How Common Is Illegal Drug Use Among People Who Are Homeless?
UCSF News
February 19, 2025
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A groundbreaking UCSF BHHI study challenges common perceptions about drug use among people experiencing homelessness. Researchers found that less than half of this population regularly used drugs, with methamphetamine being the most common substance, not opioids. Many respondents wanted treatment but struggled to access it, highlighting barriers to care. The study emphasizes that homelessness and substance use are interconnected and advocates for reducing barriers to treatment and prioritizing housing solutions. "We need to reduce barriers to substance use treatment, and that includes prioritizing people’s ability to return to housing,” said BHHI faculty member Ryan Assaf, PhD, MPH, the study’s lead author.
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Opinion
Doing Away With Needle Exchange Programs Won't Prevent Drug Use
Medpage Today
February 12, 2024
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Opinion
Doing Away With Needle Exchange Programs Won't Prevent Drug Use
Medpage Today
February 12, 2024
In this op-ed, Ryan Assaf, PhD, MPH, a postdoctoral fellow with the Benioff Homelessness and Housing Initiative, highlights the importance of using harm reduction strategies. He outlines the use and impact of needle exchange programs, reducing the transmission of viral infections and acting as a bridge to other services. Dr. Assaf further emphasizes that criminalizing drug use will not make the problem disappear. "These services create a space of trust where individuals who use drugs can seek help, referrals, and navigation to substance use treatment and counseling if and when they are ready for it." Dr. Assaf writes.
This op-ed was published as part of the Public Voices Fellowship in partnership with The OpEd Project and funding from the California Health Care Foundation.
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Opinion
Don't Neglect Tobacco Use in People Experiencing Homelessness — Cessation Programs can Save Lives and Improve Financial Stability
MedPage Today
December 4, 2023
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Opinion
Don't Neglect Tobacco Use in People Experiencing Homelessness — Cessation Programs can Save Lives and Improve Financial Stability
MedPage Today
December 4, 2023
In this op-ed, Maya Vijayaraghavan, MD, MAS, director of the UCSF Smoking Cessation Leadership Center, highlights the need for widespread access to tobacco treatment among people experiencing homelessness and the structural issues underpinning tobacco use. She emphasizes that in the homelessness advocacy and provider community should not normalize tobacco use among people experiencing homelessness and there is increased awareness and trained staff in shelters to provide tobacco treatment. "Providing tobacco treatment will substantially reduce harm, save lives, and improve financial stability by supporting quitting." Dr. Vijayaraghavan writes.
This op-ed was published as part of the Public Voices Fellowship in partnership with The OpEd Project and funding from the California Health Care Foundation.
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Our Research
Managed Alcohol Programs: An Innovative and Evidence-Based Solution for Adults with Severe Alcohol Use Disorder Who Are Experiencing Homelessness
NEJM
April 25, 2023
Alcohol use disorders (AUDs) are common among those experiencing homelessness. Managed alcohol programs (MAPs) are an evidence-based solution for helping people with AUD experiencing homelessness. Researchers examined and evaluated MAPs in Canada and California. They found that MAPs have successes and stabilization effects.
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