The mass poisoning of humanity

Einstein once said, "Only two things are infinite, the universe and human stupidity, and I'm not sure about the former."

The mass poisoning of humanity: an exploration of human stupidity
mercury fillings, fluoride in water, chemicals in foods, chlorine in Splenda, hydrogenated oils, sodium nitrite, Toxic personal care products, etc...

Dictionary.com:

Stupid:

1. Slow to learn or understand; obtuse.
2. Tending to make poor decisions or careless mistakes.
3. Marked by a lack of intelligence or care; foolish or careless: a stupid mistake.
4. Dazed, stunned, or stupefied.