Adam is right again about guys who work with metal!
A Mayo Clinic case series analysis has pinpointed for the first time syndromes associated with toxic damage to the brain and nervous system from manganese fumes generated during welding. The analysis also revealed that all affected patients shared a risk factor: welding with inadequate ventilation.
Really, the longer I listen to the show the more I hear/read about things Adam predicted turning out to be true. It's becoming less of a "Wow! Adam was right!" thing and more of a "It was only a matter of time because Adam said it" thing.