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Michael L. Lengieza

3 papers in the library · publishing 2021-2026

Papers

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Age moderates the relationship between psychedelic use and mental health in naturalistic settings

Scientific Reports September 24, 2026 Giammarco di Gregorio, Basset Sophia, Harjot Manmohan et al.

Abstract Depression and anxiety affect one in five adults and vary across the lifespan; while prevalence generally declines with age until midlife, later life is marked by a re-emergence of symptoms. Although clinical trials suggest classic psychedelics (e.g., psilocybin, LSD) and non-classic psychedelics (e.g., MDMA, ketamine) may alleviate these symptoms, it remains unclear how these...

Age moderates the relationship between psychedelics use and mental health in naturalistic settings

Research Square March 10, 2026 Giammarco di Gregorio, Sophia Basset, Harjot Manmohan et al. preprint

Abstract Depression and anxiety affect one in five adults, with age affecting prevalence. While clinical trials suggest classic psychedelics (e.g., psilocybin, LSD) and non-classic psychedelics (e.g., MDMA, ketamine) may alleviate these symptoms, it remains unclear how these relationships function in naturalistic settings or how they vary across the lifespan. We conducted a cross-sectional...

Effects of post-trip eudaimonic reflections on affect, self-transcendence and philanthropy

Service Industries Journal February 17, 2021 Michael L. Lengieza, J. Swim, Carter A. Hunt

ABSTRACT Recently, tourism scholars have recognized that travel can create transformation, including (1) personal benefits such as improved wellbeing and personal growth and (2) societal benefits such as increased open-mindedness and more positive pro-environmental attitudes, motivations, and behaviors. Expanding and integrating this research, this experimental study tests whether travel...