Well, after 47 years, maybe they write articles.
Huge numbers of Americans began smoking pot in the late 1960’s. Despite plenty of reputable previous evidence to the contrary, the US government was still certain there was something bad about marijuana. They were eager to fund long term (longitudinal) research on very heavy users.
In Jamaica there was a population of long term high volume “ganja” smokers who fit the bill. During the early 70’s the National Institute of Mental Health commissioned the “Jamaica Study” to compare mostly Rastafarian (religious) puffers with non-potheads.






