Oral and written testimony delivered by Dr. Nabarun Dasgupta at the legislative hearing: March 26, 2026 US House Of Representatives Committee on Energy and Commerce Subcommittee on Health https://energycommerce.house.gov/events/health-subcommittee-policies-to-protect-our-communities-from-illicit-drug-threats
Nabarun Dasgupta (2026) studied this question.