I've been having a huge argument over colloidal silver in the family. It's hard to stay reasonable when there are family members health possibly at stake. I've

I've been having a huge argument over colloidal silver in the family. It's hard to stay reasonable when there are family members health possibly at stake. I've kept a very skeptical stance, although I can't really say I can argue from any confidence. It seems obvious that the idea is littered with quackery and hopeful thinking. This article makes me more confused.