(NAPSI)—One of the most common human parasitic infestations around, head lice affect an estimated 6-12 million Americans annually, most of them children. If your kids are at risk, here’s something you ...

Any evidence of lice was once reason for immediate dismissal from school, with no return until the student's head was lice free. But "no-nit" policies have been dropped in favor of "nonexclusion" ...