Because they're not the same substance and have different effects. Amphetamines ...

		sph on March 27, 2022 \| parent \| context \| favorite \| on: Ask HN: If you used to be socially awkward and shy... Because they're not the same substance and have different effects. Amphetamines are stimulants. MDMA is, apart from being a stimulant, an entactogen. This gives the positive social effects. https://en.m.wikipedia.org/wiki/Empathogen%E2%80%93entactoge...