Letter
by
Vanyukov, Michael M.
Release Date
2021
Geography
USA
Language of Resource
English
Full Text Available
Yes
Open Access / OK to Reproduce
No
Peer Reviewed
Yes
Objective
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.
Findings/Key points
The GH is merely an observation of a temporal order that is frequently found in the US population (but not, for instance, in Japan)
Keywords
Evidence base