Household Hazards

My last posting dealt with zinc, a vital nutrient that can also be toxic. I focus here on manganese, another nutrient that also can also do harm. Inorganic manganese has had longstanding commercial applications, with known hazards for those who work with the metal. Now scientific innovation has managed to produce an entirely new class of manganese-based organic chemicals, signaling a new health threat and a potential environmental disaster.  Read More