The communities, characteristically living in the mountains or their fringes, have depended mostly on plants and other natural products from the forest to prevent or treat sickness. 
Jamii, ambazo nyingi ni zile za miliamni au majirani zao, zimekuwa zikitegemea miti na mazao mengine ya asili kutoka porini katika kujikinga au kujitibu magonjwa yao.