Some possible common sources for heavy metals
Cookware, antacids, deodorants, cosmetics.
Occupational: coal fired power plants, mining, smelting, firearms.
Smoking, wood preservatives, herbicides, cosmetics, food grown near heavy industry.
Smoking, petrol, battery manufacturing, soldering/welding/smelting, food grown near heavy industry.
Cookware, water pipes, high copper foods, medical conditions.
Old paint, water pipes, traditional herbal remedies, occupational: smelting, firearms.
Seafood, dental amalgams, broken devices containing mercury.
Naturally in some water sources, occupational: mining, milling.
