"I'm not making a statement against BHO," Danko says. "It has a place for patients. When made properly, it can represent the pure essence of the flower." He adds: "I would say a good rule of thumb is the darker looking the oil, the more it's likely to have impurities or remnant solvents. Anything that feels like it's coating the lungs is not good."
Ultimately, Danko says, "People should learn as much as they can about it before diving too deep into it."
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