There is no causality in the "gateway hypothesis": Another test gone amiss

Letter
par
Vanyukov, Michael M.

Date de publication

2021

Géographie

USA

Langue de la ressource

English

Texte disponible en version intégrale

Oui

Open Access / OK to Reproduce

Non

Évalué par des pairs

Yes

L’objectif

This letter responds to the article by Reed et al. [1]. As indicated in its title, the study used "Mendelian randomization to explore the gateway hypothesis." There are reasons, however, why it failed to, and could not, reach its stated goal.

Constatations/points à retenir

The GH is merely an observation of a temporal order that is frequently found in the US population (but not, for instance, in Japan)

Mots clés

Evidence base