In-house testing is not required federally; however, states differ in their requirements. Cannabis extraction laboratories need to test extracts for pesticides, heavy metals, residual solvents, ...

Sean Keller, assistant lab tech, holds a parcel of cannabis flower while Vice President of Lab Operations Gene Ray explains the extraction process. PHOTO MONICA BUSCH Cannabis company Garden Remedies, ...

It was only in the 19 th century that European botanists started claiming the benefits of cannabis extracts and formulated cannabinoid tinctures for a wide range of treatments; however, the use of ...

The Nature Index tracks primary research articles from 145 natural-science and health-science journals, chosen based on reputation by an independent group of researchers. The Nature Index provides ...