Biography
Dr. Timberlake is an associate professor in the Department of Population Health and Disease Prevention and Co-Director of the Public Health PhD Program in the College of Health Sciences.
Research Interests
Dr. Timberlake's research focuses on epidemiology, marketing, and policy pertaining to tobacco, cannabis, and other substances. Additional research areas address tobacco harm reduction (e.g., snus, e-cigarettes), co-use of cannabis and tobacco (e.g., blunts), regulation of tobacco products (e.g., flavor bans), and tobacco endgame strategies in the U.S. and abroad. His most recent research examines policies and practices in California as reflected by funding from California’s Tobacco-Related Disease Research Program (TRDRP) and Department of Cannabis Control.
Education
- Ph.D. from the Univerisity of California, San Diego
Honors and Awards
- Fulbright Scholar, University of Tampere, Tampere Finland (2017- 2018)
Publications
• Timberlake DS, Bruckner TA, Pechmann C, Soroosh AJ, Simard BJ, Padon AA, Silver LD. Cannabis vape product sales in California following CDC’s initial advisory about lung injuries. Cannabis Cannabinoid Res. 2023 Nov 7
• Rhee JU, Huang Y, Soroosh AJ, Alsudais S, Ni S, Kumar A, Paredes J, Li C, Timberlake DS. The marketing and perceptions of non-tobacco blunt wraps on Twitter. Subst Use Misuse. 2023 Nov 20:1-9.
• Timberlake DS, Aviles J, Payan DD. Variation in adults use of flavored tobacco products by sales restrictions in California jurisdictions. Int J Drug Policy. 2023 Jun; 116:104041.
• Rhee JU, Vieira VM, Firth CL, Pedersen ER, Dunbar MS, Timberlake DS. Concentration of Cannabis and Tobacco Retailers in Los Angeles County, California: A Spatial Analysis of Potential Effects on Youth and Ethnic Minorities. J Stud Alcohol Drugs. 2022 Jul;83(4):502-511.
• Tang Ker J, Delgadillo N, Amiri D, Timberlake DS. Reframing the banning of flavored tobacco in unprecedented times- an example from California’s Senate Bill 793. Prev Med Rep. 2022 Apr 4; 27:101783.
• Timberlake DS, Rhee J. Do smokers’ harm perceptions of cigarillos differ by modified use of the tobacco product? Findings from waves 3 and 4 of the PATH study. Psychol Addict Behav. 2022 Jan 27.
• Timberlake DS, Rhee J, Silver LD, Padon AA, Vos RO, Unger JB, Andersen-Rodgers E. Impact of California’s tobacco and cannabis policies on the retail availability of little cigars/cigarillos and blunt wraps. Drug Alcohol Depend. 2021 Nov 1; 228:109064.
• Timberlake DS, Pechmann C. Broadcast reach and self-reported exposure to court-ordered corrective statements on cigarette harms. Prev Med Rep. 2020 May 19; 19; 101127.
• Timberlake DS, Laitinen U, Kinnunen JM, Rimpela AH. Strategies and barriers to achieving the goal of Finland’s tobacco endgame. Tob Control. 2020 Jul;29(4):398-404.
