Punyapas, S., Sumalrot, T., Auampradit, N. and Lochingchairit, J. 2026. Upward Social Comparison as a Mediator: Intensity of Instagram Use and Body Image Among Thai Young Adults. Siriraj Medical Journal. 78, 7 (Jul. 2026), 488–497. DOI:https://doi.org/10.33192/smj.v78i7.279851.