Support WBURHow safe is your weed? Patchy regulations may leave contaminants in the weed supplyPlay05:47Download AudioSydney LupkinBrian MannFebruary 03, 2025 ShareCannabis is legal in many states but not federally. As more Americans consume weed products, concern is growing about the risks of traces of contaminants such as pesticides and heavy metals. (AFP via Getty Images)
