Loosening the restrictions on the DEA Diversion program would accomplish this - there is a set quota of how much of each scheduled substance can be used for res

Loosening the restrictions on the DEA Diversion program would accomplish this - there is a set quota of how much of each scheduled substance can be used for research each year. Unfortunately, this is likely politically challenging as the DEA has a strong self-interest incentive to make drug laws as restrictive as possible, so they can get more funding and successfully prosecute more people.