Maggie Jones looks at symptoms and treatment of a range of conditions that can affect children's hair, from lice to alopecia Visions of childhood often include hair: the downy hair on a newborn's head, watching to see how a child's hair grows, the hatred of combs and brushes, tears at hair wash time, the dreaded nits... Childcarers need to be aware of certain conditions that can affect the hair and scalp so that they can advise parents. Hair problems...