That sounds a lot like how they invented ephedrine asthma inhalers and sold them over the counter, which you can give yourself a heart attack with. People died, so they decided future inhalers would have to have a prescription. Newer inhalers are safer and require a prescription, but then they left the old inhalers on the market and you can still buy them over the counter at CVS and Walgreens.
That sounds a lot like how they invented ephedrine asthma inhalers and sold them over the counter, which you can give yourself a heart attack with. People died, so they decided future inhalers would have to have a prescription. Newer inhalers are safer and require a prescription, but then they left the old inhalers on the market and you can still buy them over the counter at CVS and Walgreens.