Vidya Purushothaman

Biographic Data

ID7180548
NAMEVidya Purushothaman
GIVEN NAMESVidya
FAMILY NAMEPurushothaman
SIGNATUREPURUSHOTHAMAN V
AFFILIATIONSUniversity of California San Diego
ORCID0000-0002-6270-448X
VERIFIEDYes
TOTAL WORKS7
TOTAL CITATIONS0
AUTHOR COUNT7
EDITOR COUNT0
FIRST PUBLICATION YEAR2021
LATEST PUBLICATION YEAR2025
H-INDEX0

  • Variations in Adverse Events Typology Following E-Cigarette Use: The Role of Preexisting Medical Conditions

    Raphael E Cuomo, Vidya Purushothaman et al.ARTICLESubstance Use & Misuse2025

    BACKGROUND: Electronic cigarettes (e-cigarettes) are often marketed as safer alternatives to traditional smoking, yet evidence suggests potential health risks, especially among vulnerable populations. This study examines the immediate adverse events following e-cigarette use in individuals with preexisting health conditions to better understand these risks. METHODS: We conducted a STROBE-compliant observational study to identify specific preexist…

  • Identification of Cannabis Product Characteristics and Pricing on Dark Web Markets

    Open AccessMatthew Nali, Zhuoran Li et al.ARTICLEJournal of Psychoactive Drugs2025

    Growing cannabis use has made it the most widely cultivated and trafficked illicit drug globally according to the World Health Organization, with 147 million people consuming cannabis-derived products (CDPs) in various product forms and constituency. Despite restrictions in certain countries, unregulated access can still be found on the dark web which specializes in trafficking of illicit goods. The objective was to systematically collect data fr…

  • Characterizing Self-Reported Tobacco, Vaping, and Marijuana-Related Tweets Geolocated for California College Campuses

    Open AccessRaphael E Cuomo, Vidya Purushothaman et al.ARTICLEFrontiers in Public Health2021

    Introduction: College-aged youth are active on social media yet smoking-related social media engagement in these populations has not been thoroughly investigated. We sought to conduct an exploratory infoveillance study focused on geolocated data to characterize smoking-related tweets originating from California 4-year colleges on Twitter. Methods: Tweets from 2015 to 2019 with geospatial coordinates in CA college campuses containing smoking-relat…

  • Detecting Suicide and Self-Harm Discussions Among Opioid Substance Users on Instagram Using Machine Learning

    Open AccessVidya Purushothaman, Jiawei Li et al.ARTICLEFrontiers in Psychiatry2021

    Background: Suicide and substance use disorder (SUD) pose serious public health challenges among young adults in the United States. Increasing social media use among these populations can be leveraged as an alternative method to detect characteristics of suicide-related topics and behavior among substance users. Objective: To detect and characterize suicide and self-harm related conversations co-occurring with SUD posts and comments on the popula…

  • A longitudinal and geospatial analysis of Covid-19 tweets during the early outbreak period in the United States

    Open AccessRaphael E Cuomo, Vidya Purushothaman et al.ARTICLEBMC Public Health2021

    Results from this study suggest that social media communication dynamics during the early stages of a global pandemic may exhibit a number of geospatial-specific variations among different communities and that targeted pandemic communication is warranted. User engagement on COVID-19 topics may also be predictive of future confirmed case counts, though further studies to validate these findings are needed

  • Could age increase the strength of inverse association between ultraviolet B exposure and colorectal cancer

    Open AccessVidya Purushothaman, Vidya Lakshmi Purushothaman et al.ARTICLEBMC Public Health2021

    The age-dependent inverse association between UVB exposure and incidence of colorectal cancer exhibits a greater effect size among older age groups in global analyses. Studying the effect of chronic vitamin D deficiency on colorectal cancer etiology will help in understanding the necessity for population-wide screening programs for vitamin D deficiency, especially in regions with inadequate UVB exposure. Further studies are required to assess the…

  • Google shopping queries for vaping products, Juul and Iqos during the E-cigarette, or Vaping, product use Associated Lung Injury (Evali) outbreak

    Eric Leas, Natalie H Moy et al.ARTICLETobacco Control2021

    These results suggest that unplanned events, such as the EVALI outbreak, can provoke changes in the epidemiology of product usage. Tobacco companies should be prohibited from using events such as disease outbreaks to position their products as less harmful without prior approval