… infestations are tied to poor hygiene, they’re really not. Infestations occur through close contact with an infected person and their belongings – something schools offer plenty of. Think: … The spread of lice can absolutely be prevented by avoiding activities involving head-to-head contact or avoiding the use of other people’s head-touching items. Educate your kids in a way … friends’ hands! But our heads should never touch their heads.” Show them what head-to-head contact looks like. While more research is needed, a number of studies suggest that certain plant …