In April 2024, a team at Johns Hopkins University published a study that changed how the scientific community thinks about terpenes. Here's what they found. The study: 20 healthy adults. Double-blind, placebo-controlled crossover. Vaporized THC alone, dlimonene alone, or THC + d-limonene together. Result: D-limonene significantly reduced the anxiety and paranoia associated with THC — without altering any of THC's other effects. The reduction was dose-dependent: more d-limonen