See this outstanding podcast on cannabis in nursing homes from The Brave New Weed: https://www.bravenewweed.com/all-episodes/ep54 The relevant discussion starts at about 22:20. Issues discussed include:
The pioneering use of cannabis in nursing homes in Israel, with a clinic just now opening in Beverly Hills.
The use of THC in micro doses — less than 1 mg (“standard” doses are about 10 mg)
The majority of patients do not experience any psychoactive effects
Cannabis is effective for about 95% of patients
The majority of patients experience positive results in addressing