This seems to be the study: https://www.thelancet.com/journals/lanpsy/article/PIIS2215-0366(21)00084-5/fulltext https://www.thelancet.com/journals/lanpsy/artic

This seems to be the study: https://www.thelancet.com/journals/lanpsy/article/PIIS2215-0366(21)00084-5/fulltext https://www.thelancet.com/journals/lanpsy/article/PIIS2215-0... Edit: Not sure maybe this should be the link ? But Reuters has nice synopsis