Publications
Poor compliance with PACT Act shipping label requirements among online vaping retailers
17 August 2025. This publication analyzes shipping labels of delivered vaping products from online vaping retailers to determine PACT Act compliance. doi: 10.1136/tc-2025-059580
Need for improved regulation of tobacco e-commerce
1 April 2025. This publication discusses the shift of the tobacco industry to vaping e-commerce and the need for regulation of the tobacco e-commerce marketplace. doi: 10.1136/tc-2023-058515
Online retailer noncompliance to e-cigarette excise tax and tobacco licensing laws
27 February 2025. This publication explores the rate of compliance with California's e-cigarette excise tax among online vaping retailers shipping vaping products to addresses in San Diego, California. doi: 10.1136/tc-2024-059161
Derived cannabinoid product availability among online vape shops
22 October 2024. This publication examines the proportion of online vape shops that offer derived cannabinoid products in San Diego, California. We measure their compliance with state hemp regulations and estimate whether these shops receive more website traffic compared to those that offered nicotine or tobacco. doi: 10.1016/j.pmedr.2024.102910
Online Retailer Nonadherence to Age Verification, Shipping, and Flavor Restrictions on E-Cigarettes
11 November 2024. This publication assesses whether online vaping retailers adhered to age verification, shipping method, and flavor restrictions by attempting to purchase flavored vaping products online and have them delivered to residential households in San Diego, California, which has a flavor restriction policy that encompasses e-commerce. doi:10.1001/jama.2024.21597
Need for a Public Health Response to the Unregulated Sales of Amanita muscaria Mushrooms
10 June 2024. This publication discusses the history, availability, safety, and legal status of Amanita muscaria and a case for improved regulation is made in light of serious safety concerns. doi: 10.1016/j.amepre.2024.05.006
E-commerce licensing loopholes: a case study of online shopping for tobacco products following a statewide sales restriction on flavoured tobacco in California
7 November 2023. This publication assesses whether the exclusion of e-commerce in the definition of 'tobacco retailer' in California's statewide flavor restriction (Senate Bill 793 (SB-793)) resulted in a shift in consumer behavior towards e-commerce. doi: 10.1136/tc-2023-058269