A study by researchers at Zhejiang University in Hangzhou, China, suggests that exposure to pyrethroid pesticides might cause early puberty in boys.
This class of pesticides accounts for more than 30% of global insecticide use, the researchers noted.
Pyrethroids are difficult to avoid, as they are present in soil, air and water. Previously, these chemicals have been associated with a toxic effect on the nervous system, provoking cognitive problems, notably in children.
This class of pesticides accounts for more than 30% of global insecticide use, the researchers noted.
Pyrethroids are difficult to avoid, as they are present in soil, air and water. Previously, these chemicals have been associated with a toxic effect on the nervous system, provoking cognitive problems, notably in children.
https://www.yahoo.com/beauty/exposure...
It naturally occurs in chrysanthemum flowers
https://en.wikipedia.org/wiki/Pyrethrin