Science could never get you to make alcohol and tobacco legal and marijuana illegal. Only racism can do that.
Maia SzalavitzA lot of addiction actually ends by age 30 - something like 50 percent of all addictions with the exception of tobacco - and I think a lot of what's going on there is that the self-control areas of the brain are finally developed enough to be able to stop yourself from relapsing or just continuing. There is a maturational aspect to it as well.
Maia SzalavitzMarijuana is not not harmful, but is the least harmful psychoactive substance that we have, with the possible exception of caffeine.
Maia SzalavitzThere is a safe, nontoxic drug called naloxone that can instantly reverse opioid overdose and prevent most of these deaths. But the drug war interferes with saving overdose victims in two ways: first, because witnesses to overdose fear prosecution, they often don't call for help until it's too late. Second, because the drug war supports the belief that making naloxone available over-the-counter or with opioid prescriptions would encourage drug use, the antidote is available only through harm reduction programs like needle exchanges or in some state programs aimed at drug users.
Maia Szalavitz