By Johnny Green of learngreenflower.com
My friend Jason from Udoxi Scientific always points out that cannabis testing only looks for some contaminants and potency, but doesn’t look for heavy metals at all. Cannabis pulls heavy metals from soil in a very efficient way. The same trait that makes cannabis great for cleaning up contaminated areas is the same trait that creates high levels in cannabis that people smoke all over the world, every day.
As far as I know, there are no studies in regards to cannabis consumption and heavy metals. I have to assume it is not good, which is why I try very hard to know where the cannabis that I’m consuming comes from, and what inputs went into the plant. That’s not to say that I refrain from consuming non-organic cannabis, but it’s something I’m moving more towards every day.
Read more at https://www.learngreenflower.com/articles/169/growing-organic-cannabis-very-rewarding