What Are Opiates/Opioids?
Article from Psychemedics
According to Psychemedics, "While opiates are naturally-occurring chemicals in the Flowering Opium Poppy, opioids are man made. The two words are sometimes used interchangeably but an important distinction to remember is that while all opiates are opioids, not all opioids are opiates."
This article explains the difference between opiates and opioids.