Vapor Trail

“Even as marijuana rules have loosened in more than 30 states, there’s little information available on the new products that are appearing in stores across states like Colorado and California. Researchers are restricted from walking into a marijuana store in Denver or Los Angeles and buying products for testing because their funding could be jeopardized if they run afoul of federal regulations.” Bloomberg: Even Nobel-Winning Chemists Don’t Know What’s in Your Weed Vape.