The title says it all aparently these are being thought as silver bullets to solving everything including acne in medicine (that's a joke the point is every idiot is trying nano whatever to do cure studies for money that's the truth). It turns out that at below a certain size in inhibits nerve growth necessary for learning and normal bodily function. In other words it's toxic. hmmm.
Read this article for more.
Cyb
Read this article for more.
Cyb