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Simultaneous Nicotine, Alcohol, and Cannabis Co-Use Among Young Adults

Award Number: F31DA065401
ORGANIZATION: NATIONAL INSTITUTE ON DRUG ABUSE
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: FELLOWSHIP/SCHOLARSHIP/STUDENT LOANS
PERIOD OF PERFORMANCE START DATE: 08/12/2026
PERIOD OF PERFORMANCE END DATE: 08/11/2027

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Simultaneous Nicotine, Alcohol, and Cannabis Co-Use Among Young Adults - PROJECT SUMMARY The most widely used substances among young adults have historically and consistently been nicotine, alcohol, and cannabis. Simultaneous co-use (i.e., using multiple substances close in time so that their effects overlap) is an emerging trend among young people and may carry a set of unique risks. Existing research on simultaneous co-use is limited, primarily focusing on alcohol and cannabis (omitting nicotine), and not assessing co-use behaviors over time. A more granular assessment of factors related to simultaneous co-use, subjective experiences and consequences that are common during simultaneous co-use sessions, and the risk of persistent co-use over time is needed. The goal of this F31 proposal is to investigate nicotine, alcohol, and cannabis simultaneous co-use (including patterns of use, experiences during co-use, and risk of persistent co-use) among young adults, and to obtain new training to prepare me for a career as an independent researcher who conducts impactful work investigating young adult substance use behaviors to better inform policy and interventions to reduce substance-related harms. I will use data collected from four semi-annual survey waves (Fall 2025-Spring 2027) of an ongoing prospective cohort study of N~3860 young adults recruited from Southern California high schools in 2020 and 2021 (U54CA180905). Measures of simultaneous co-use will be collected through survey assessment at four waves each ~6 months apart to evaluate project aims: (Aim 1) To examine demographic characteristics associated with simultaneous co-use of nicotine, alcohol, and cannabis; (Aim 2) To describe subjective experiences and consequences during simultaneous co-use; and (Aim 3) To evaluate the prospective association of nicotine, alcohol, and cannabis simultaneous co-use subjective experiences and consequences at baseline with persistence of co-use behaviors at 6-month follow-up across all waves of the study. This project will provide data on nicotine, alcohol, and cannabis simultaneous co-use behaviors among young adults to inform a comprehensive understanding of risk factors for persistent simultaneous co-use and adverse health consequences and identify mechanisms that can be targeted for prevention and intervention efforts. This F31 leverages my existing experience and addresses critical gaps in my training by providing new opportunities to develop my skills in the following key areas, which are not part of my current training program: 1) psychosocial development and psychopathology; 2) distilling complex data through data reduction techniques; and 3) advanced longitudinal data analysis. I have worked closely with my mentoring team to develop an ambitious but feasible training plan that incorporates coursework and seminars, scientific conferences, mentorship from my mentoring team, and application of my training to the current research proposal to support and enhance ongoing research and career development.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2026 ( Subtotal = $50,114 )
2026	2026	UNIVERSITY OF SOUTHERN CALIFORNIA	3720 S FLOWER ST FL 3	LOS ANGELES	CA	90033	LOS ANGELES	USA	Drug Use and Addiction Research Programs	000	1	2/12/2026	NEW	$49,538
2026	2026	UNIVERSITY OF SOUTHERN CALIFORNIA	3720 S FLOWER ST FL 3	LOS ANGELES	CA	90089	LOS ANGELES	USA	Drug Use and Addiction Research Programs	001	1	3/25/2026	NEW	$576
														Subtotal = $50,114

Grand Total All Awards = $50,114

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Simultaneous Nicotine, Alcohol, and Cannabis Co-Use Among Young Adults

Award Number: F31DA065401

ORGANIZATION: NATIONAL INSTITUTE ON DRUG ABUSE

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: FELLOWSHIP/SCHOLARSHIP/STUDENT LOANS

PERIOD OF PERFORMANCE START DATE: 08/12/2026

PERIOD OF PERFORMANCE END DATE: 08/11/2027

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