- Cannabis users person overmuch much pb and cadmium successful their humor and urine, survey finds USA TODAY
- Study detects important levels of metals successful the humor and urine among marijuana users News-Medical.Net
- Marijuana Users Have Toxic Metals successful Blood and Urine, New Study Shows Men's Journal
- Marijuana Users Found to Have Elevated Lead Levels Neuroscience News
- New survey highlights request to surface for cannabis usage upset successful states with ineligible recreational use Maine Public
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