Synthetic insecticides used by East African countries in treating mosquito nets are not safe, researchers have said.
The nets are treated by insecticides known as pyrethroids, which, according to the researchers, cause asthma and cancer to infants and young children, and are very harmful to the environment since they do not break down easily……
https://nano-magazine.com/news/2017/4/21/safe-alternative-found-for-harmful-treated-mosquito-nets