In day care centers and nursery schools, paint smocks, blankets and soft toys have been found to transmit head lice. Head lice are completely dependent on human blood, which they suck from bite wounds in the scalp. The bites produce intense itching, which is frequently the first sign of the presence of lice. Scratching may lead to secondary bacterial infections. Nits should not be confused with dandruff, which can be easily flicked off a hair.
Adult lice have claws, which are suitable for grasping and clinging to hair follicles.
By picturing Tarzan swinging through the trees in a jungle, you ll have a good idea of the methods by which lice travel through the forest of scalp hairs. Treatment should be considered only when active lice or viable eggs are observed. Itching of the scalp or the perception that something is crawling on the head do not warrant treatment for lice. The greatest harm associated with head lice results from the well-intentioned but misguided use of caustic or toxic substances to eliminate the lice. The results are in and, unlike another competition, these results are not too close to call.