Who said weed is save? Cannabis is a drug/substance which has an effect on us and if the only effect is brain aging of a few years -> okay. Was not able to fin

Who said weed is save? Cannabis is a drug/substance which has an effect on us and if the only effect is brain aging of a few years -> okay. Was not able to find the paper, anyone has the link? Not sure yet if i should care. I will drink my gin tonic, smoke something later on and still live with adhs while contemplating my life.