You'd want to do a deep dive on lead and it's negatives. The human body sees it as calcium and it can accumulate in the body and brain over time and cause a var

You'd want to do a deep dive on lead and it's negatives. The human body sees it as calcium and it can accumulate in the body and brain over time and cause a variety of health problems. https://en.m.wikipedia.org/wiki/Lead#Biological_effects https://en.m.wikipedia.org/wiki/Lead#Biological_effects https://en.wikipedia.org/wiki/Lead_poisoning https://en.wikipedia.org/wiki/Lead_poisoning In an ideal world, we would want no lead in our food and toothpaste (etc). But, I'm sure it's not economically possible for manufacturers/farmers to completely eliminate it, but it would be wise to avoid products that contain high levels of it. Recall the Flint, Michigan lead pipes environment disaster, for example of a worse case scenario https://www.nrdc.org/stories/flint-water-crisis-everything-you-need-know https://www.nrdc.org/stories/flint-water-crisis-everything-y...