Bertram

Det Supt Steven Bertram said the trafficking and exploitation risk order was sought in a bid to prevent "any further offending".

“There’s no other way to say it — it’s completely unproven whether these devices would work in a real-world setting,” Timothy Bertram, a chemistry professor at the University of Wisconsin-Madison, told Kaiser Health News in 2021.

Elsevier, the journal’s publisher, had opened an investigation, says Bertram, who works at the Swedish University of Agricultural Sciences.

Science talked to Bertram, one of the scientists whose names were used on reviews of Malafaia’s papers, about his experience.

“Recommendation engines are not blocking content – instead it is the community guidelines that restrict freedom of speech, according to the platform’s preference,” Theo Bertram, the former vice president of public policy at TikTok, tells the BBC.