Chocolate muddles cannabis potency testing

In 2012, Washington and Colorado became the first states to legalize recreational marijuana. Since then, several other states have joined them, and cannabis-infused edibles, including gummy bears, cookies and chocolates, have flooded the market. But these sweet treats have created major headaches for the scientists trying to analyze them for potency and contaminants. Researchers now report that components in chocolate might be interfering with cannabis potency testing, leading to inaccurate results.

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