Lice infestation, also known as pediculosis is a common human problem. There are three types of lice – head lice, body lice and pubic lice that infest humans. Lifecycle of lice has three forms – nit, lymph and adult lice. Life of lice is about 30 days. Lice will die if they stay away from human body for more than two days. Symptoms for Head Lice Head lice are found behind the ears and near the neck. They may cause itching, crusting, and redness on scalp. Sometimes head lice do not show any symptoms. Repeated scratching of lice bites may cause skin infections. These infections may lead to swollen nodes resulting into lumps on the neck and behind the ears. Causes of Head Lice Head to head contact is the primary way of transmitting head lice. However, they are also transmitted through indirect contact like sharing pillows, hat, carpet and so on. Causes of Body Lice Unhygienic conditions like not taking bath daily, not wearing washed cloth and so on are the primary reasons for body lice. A direct contact with the person having body lice will transmit body lice. Body lice are mainly seen in people from underdeveloped countries. Remedies for Head Lice For head lice problem wash your hair with vinegar. It will kill all the nits in two days. Apply coconut oil to your head after shampoo and condition. Add ten to fifteen drops of tea tree oil into shampoo bottle and use it daily. Rub listerine mouth wash on your head. This will kill all the lice. Massage your head with mayonnaise and comb it after 2 hours. This will kill all the lice and their eggs. Apply a mixture of lemon and butter on your head, wait for 15 seconds and then rinse your head. No Diet for Lice There is no special diet recommended for lice treatment.