An opiate, in classical pharmacology, is a substance derived from opium. In more modern usage, the term opioid is used to designate all substances, both natural and synthetic, that bind to opioid receptors in the brain
Is Marijuana a Stimulant?
Here's what you need to know about its use as a depressant or stimulant. You know it as weed, pot, grass, or cannabis. It is the most used recreational drug [...]