Opiates are drugs derived from opium. At one time "opioids" referred to synthetic opiates only but, now the term Opioid is used for the entire family of opiates including natural, synthetic and semi-synthetic.
The CDC and other governmental organizations are finally recognizing that opioids are addictive.
By breaking down parts of the brain that are usually separate, drugs like LSD return us to a childlike state — and that effect on well-being could last long after the drugs’ effects have worn off. Whether or not you agree with the idea, tests are being conducted.
This is a link to a recent news article regarding how LSD makes the brain more complete.