>Coffee drinkers have been found to have lower cadmium in tissues; coffee making removes heavy metals from water.

How does that work? Where do the metals go?

Searching in the rest of the article I find:

>Coffee drinkers, for example, have been found to have lower levels of cadmium in their kidneys than people who don’t use coffee, and coffee is known to inhibit the absorption of iron by the intestine, helping to prevent iron overload.

I'm immediately suspicious of the way this is framed (I know many people who suffer from lack of iron, I guess they should avoid coffee). And what about the heavy metals then?