When most people think about head lice, they picture elementary school children. But the truth is that adults can get lice too — and it happens more often than many people realize. Head lice spread through direct head-to-head contact, which means anyone can become infested regardless of age, hair type, or hygiene habits. Why Adults Get Lice Adults usually get lice from: Children in the household Close family contact Sharing beds or couches Caregiving situations Working in sch