> a healthy amount of caution is generally good. Definitely. These are potent levers, not toys. Knowing your dose is critical and really does need to be emphas

> a healthy amount of caution is generally good. Definitely. These are potent levers, not toys. Knowing your dose is critical and really does need to be emphasized. Thanks. Re: chemicals - you can know very accurately but you really have to know what you're doing and most people aren't up for the effort.