Fascinating article on US drug culture hypocrisy with regard to speed in the form of Adderall, vs. speed in the form of street meth:
The Speed of Hypocrisy: How America Got Hooked on Legal Meth

Most people understand that heroin and Oxycontin are both hard, addictive drugs. Not so with speed. When it comes to amphetamine, we’ve chosen a national split-screen in which doctors airily put millions of healthy children and adults on daily speed regimens while SWAT teams throw concussion bombs in baby cribs in pursuit of small-fry meth dealers.
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“By the time I had the seizure, I was taking 90 milligrams of Adderall a day,” she says. “I knew girls who were taking the same amount or more. I don’t know if any of us had so-called ADHD, but the effects [of the Adderall] started to look exactly like how ADHD symptoms are described. I was told I needed it, so I believed it, but it was really just addiction.”
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No pimply meth dealer ever tried to tell me his product was a harmless stimulant. No Mexican cartel ever made huge buys in medical journals to corner the market on fifth-graders, or hired pop stars to push their product on young moms on national television.