Dani Geen’s family was lounging around the living room after a dinner of smoked brisket and baked beans when she broke the news: She planned to include marijuana in every part of her wedding. Her mother, Aura, practically jumped off the shabby-chic sofa. “You can’t do this!” she shouted.

“Mom,” Dani replied calmly. “It’s not going to be what you expect.”

After all, unlike that stereotype of the slothful stoner, Dani is an energetic force committed to the cannabis movement, assisting celebrity activist Steve D’Angelo at Harborside, a medical dispensary in Oakland, California, for almost a decade. She’s also become one of the world’s leading experts in dabbing, aka vaporizing concentrated cannabis.

Thirty-one-year-old Dani and her fiancé, 30-year-old Zak Walton, both struggle with serious medical conditions and have ditched prescription pain killers for cannabis: Dani has long dealt with fibromyalgia, Hashimoto’s thyroiditis, and Cushing syndrome, and Zak has struggled with a shattered herniated disk that causes him extreme nerve pain.

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