Dr. Michele Sexton is the founder of Phytalab, the first cannabis analysis lab in Washington State. Phytalab offers state mandated and quality assurance testing of flowers, extracts, topicals, and edibles. Dr. Sexton spoke with the Hash’s Leah Rose about how THC has been steadily increasing over the past 20 years, how much we should be eating, and who the cannabis industry should look to for dosage regulation.