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Published on in Vol 9 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/100303, first published .
Teenager with smartphone, calendar, sun, and smoking/vaping options

Weekend Texting Screen Time and Incident Nicotine Use in Early Adolescents: Longitudinal Analysis of the Adolescent Brain Cognitive Development Study

Weekend Texting Screen Time and Incident Nicotine Use in Early Adolescents: Longitudinal Analysis of the Adolescent Brain Cognitive Development Study

Gabriel Zamora   1 , MD ;   Michael L Thomas   2 , PhD ;   Alejandro D Meruelo   1 , MD, PhD

1 Department of Psychiatry, University of California San Diego, La Jolla, CA, United States

2 Department of Psychology, Colorado State University, Fort Collins, CO, United States

Corresponding Author:

  • Alejandro D Meruelo, MD, PhD
  • Department of Psychiatry
  • University of California San Diego
  • 9500 Gilman Dr
  • La Jolla, CA 92093
  • United States
  • Phone: 1 619-543-5221
  • Email: ameruelo@health.ucsd.edu