Yup, from experience, you can give the same dose from the same batch of a hallucinogenic drug to people who are broadly similar in terms of age and overall ment

Yup, from experience, you can give the same dose from the same batch of a hallucinogenic drug to people who are broadly similar in terms of age and overall mental health, and you can get a real wild range of results. (Except maybe ketamine. Ketamine seems pretty consistent, in my anecdotal experience.)