People smoking more than weed: 90 per cent of tested weed paper products have heavy metals

Ninety per cent of rolling paper products tested by California’s SC Laboratories Inc. contained heavy metals and eight per cent of those exceeded allowable limits under the state’s inhalable cannabis requirements. Read More

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Source : Growth op
Link to original : People smoking more than weed: 90 per cent of tested weed paper products have heavy metals
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