Research Funding

  • September 19, 2013 - June 30, 2023 - Integrated Health, Behavioral and Economic Research on Current and Emerging Tobacco Products, Co-Investigator. Sponsor: NIH, Sponsor Award ID: 9U54HL147127-06
  • August 15, 2018 - July 31, 2020 - Cigarette Harm Reduction with Scheduled Electronic Cigarette Use, Co-Investigator. Sponsor: NIH/NIDA, Sponsor Award ID: U01DA045519
  • June 1, 2016 - May 31, 2017 - Clinical Pharmacology of Electronic Cigarettes, Co-Investigator. Sponsor: NIH, Sponsor Award ID: 3R01DA039264-02S1
  • September 19, 2013 - June 30, 2023 - Integrated Health, Behavioral and Economic Research on Current and Emerging Tobacco Products, Co-Investigator. Sponsor: NIH, Sponsor Award ID: 9U54HL147127-06

Education

Livingstone College, Salisbury, NC, B.S., 05/2006, Biology
University of Georgia, Athens, GA, Ph.D., 08/2011, Toxicology
University of California, San Francisco, CA, Postdoc, 12/2014, Tobacco Control and Research

Honors & Awards

  • 2003-2006
    Academic Gold Medal, Livingstone College
  • 2006
    Summer Bridge Fellow, University of Georgia
  • 2012
    Society for Research on Nicotine and Tobacco Travel Award
  • 2012
    Centers for Disease Control and Prevention (CDC) Top-Ten Research Article

Selected Publications

  1. Liakoni E, Nardone N, St Helen G, Dempsey DA, Tyndale RF, Benowitz NL Effects of Nicotine Metabolic Rate on Cigarette Reinforcement.  View on PubMed
  2. Jacob P, St Helen G, Yu L, Nardone N, Havel C, Cheung P, Benowitz NL Biomarkers of Exposure for Dual Use of Electronic Cigarettes and Combustible Cigarettes: Nicotelline, NNAL, and Total Nicotine Equivalents.  View on PubMed
  3. Harvanko AM, St Helen G, Nardone N, Addo N, Benowitz NL Twenty-four-hour subjective and pharmacological effects of ad-libitum electronic and combustible cigarette use among dual users.  View on PubMed
  4. Benowitz NL, St Helen G, Nardone N, Cox LS, Jacob P Urine Metabolites for Estimating Daily Intake of Nicotine From Cigarette Smoking.  View on PubMed
  5. St Helen G, Nardone N, Addo N, Dempsey D, Havel C, Jacob P, Benowitz NL Differences in nicotine intake and effects from electronic and combustible cigarettes among dual users.  View on PubMed
  6. St Helen G, Liakoni E, Nardone N, Addo N, Jacob P, Benowitz NL Comparison of Systemic Exposure to Toxic and/or Carcinogenic Volatile Organic Compounds (VOC) during Vaping, Smoking, and Abstention.  View on PubMed
  7. Benowitz N, Nardone N, St Helen G, Addo N, Jacob P, Liakoni E, Jain S, Hooshfar S, Lynch K Quantitative biochemical screening for marijuana use and concordance with tobacco use in urban adolescents.  View on PubMed
  8. Liakoni E, St Helen G, Dempsey DA, Jacob P, Tyndale RF, Benowitz NL Relationship between skin melanin index and nicotine pharmacokinetics in African American smokers.  View on PubMed
  9. St Helen G, Benowitz NL, Ko J, Jacob P, Gregorich SE, Pérez-Stable EJ, Murphy SE, Hecht SS, Hatsukami DK, Donny EC Differences in exposure to toxic and/or carcinogenic volatile organic compounds between Black and White cigarette smokers.  View on PubMed
  10. Nardone N, Helen GS, Addo N, Meighan S, Benowitz NL JUUL electronic cigarettes: Nicotine exposure and the user experience.  View on PubMed
  11. Stroud L, Werner E, Matteson K, Carey M, Helen GS, Eissenberg T, Scott-Sheldon LAJ Waterpipe (hookah) tobacco use in pregnancy: use, preferences and perceptions of flavours.  View on PubMed
  12. St Helen G, Benowitz NL, Ahluwalia JS, Tyndale RF, Addo N, Gregorich SE, Pérez-Stable EJ, Cox LS Black Light Smokers: How Nicotine Intake and Carcinogen Exposure Differ Across Various Biobehavioral Factors.  View on PubMed
  13. Liakoni E, Edwards KC, St Helen G, Nardone N, Dempsey DA, Tyndale RF, Benowitz NL Effects of Nicotine Metabolic Rate on Withdrawal Symptoms and Response to Cigarette Smoking After Abstinence.  View on PubMed
  14. Elias J, Dutra LM, St Helen G, Ling PM Revolution or redux? Assessing IQOS through a precursor product.  View on PubMed
  15. St Helen G, Jacob Iii P, Nardone N, Benowitz NL IQOS: examination of Philip Morris International's claim of reduced exposure.  View on PubMed
  16. St Helen G, Eaton DL Public Health Consequences of e-Cigarette Use.  View on PubMed
  17. St Helen G, Shahid M, Chu S, Benowitz NL Impact of e-liquid flavors on e-cigarette vaping behavior.  View on PubMed
  18. Benowitz NL, Nardone N, Jain S, Dempsey DA, Addo N, St Helen G, Jacob P Comparison of Urine 4-(Methylnitrosamino)-1-(3)Pyridyl-1-Butanol and Cotinine for Assessment of Active and Passive Smoke Exposure in Urban Adolescents.  View on PubMed
  19. Velicer C, St Helen G, Glantz SA Tobacco papers and tobacco industry ties in regulatory toxicology and pharmacology.  View on PubMed
  20. Havel CM, Benowitz NL, Jacob P, St Helen G An Electronic Cigarette Vaping Machine for the Characterization of Aerosol Delivery and Composition.  View on PubMed

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