What Makes Lead Poisonous?

Electrolytically refined pure (99.989 %) super...

Electrolytically refined pure (99.989 %) superficially oxidized lead nodules and a high purity (99.989 %) 1 cm 3 lead cube for comparison. (Photo credit: Wikipedia)

Yesterday I was with my family at a friend’s house, and they had a lead block left outside. Some of my siblings were warned not to touch it because of it’s toxicity. That made start wondering what made it poisonous and how it worked. So, I did research and I will share with you the information I found out.

When lead is consumed, breathed in, or otherwise enters the body, it goes to where iron or other vital metals are performing their duties in the body. What lead does is it takes the place of those metals, but doesn’t do what they are supposed to do. An analogy would be is a person takes over a position of authority (such as kingship) from a responsible king. The new king just sits on the throne eating and enjoying the position, ignoring his duties. Thus, the kingdom gradually deteriorates. The same thing happens with the body.

Also, you know about and have read that iron is good for the body in small amounts, and bad for the body in large amounts. Oxygen is good for the body in small amounts, but large amounts of pure oxygen is bad. Lead is bad for the body in small amounts, and worse for the body in large amounts. Lead stays in the body and accumulates in the body, so be careful. People have done tests about the lead bullets contaminating game, and do not worry, game shot with lead bullets is totally safe.

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