Complex sentence: Cannabinoid-enriched e-liquids require lengthy, complex processing, some being readily present on the Internet despite lack of quality control, expiry date, conditions of preservation, or any toxicological and clinical assessment.
Split into simpler sentences: Cannabinoid-enriched e-liquids require lengthy, complex processing. Some are available on the Internet despite lack of quality control, expiry date, conditions of preservation, or any toxicological and clinical assessment.