Is meth a completely different phenomenon? It's prescribed by doctors under the brand name "Desoxyn" for ADHD and narcolepsy - evidently they find more value th

Is meth a completely different phenomenon? It's prescribed by doctors under the brand name "Desoxyn" for ADHD and narcolepsy - evidently they find more value than harm in it for some patients. The negative effects of meth are probably mixed up, to an extent, with the effects of taking a "street drug" filled with toxic byproducts.