As Americans continue to embrace pot—as medicine and for recreational use—opponents are turning to a set of academic researchers to claim that policymakers should avoid relaxing restrictions around marijuana.

It’s too dangerous, risky, and untested, they say. Just as drug company-funded research has become incredibly controversial in recent years, forcing major medical schools and journals to institute strict disclosure requirements, could there be a conflict of interest issue in the pot debate?

VICE has found that many of the researchers who have advocated against legalizing pot have also been on the payroll of leading pharmaceutical firms with products that could be easily replaced by using marijuana. When these individuals have been quoted in the media, their drug-industry ties have not been revealed.

– Read the entire article at VICE.