From Consumer Reports - September 2003 The millions of kids who will inevitably turn up with head lice during the coming school year have gained Food and Drug Administration protection against one dangerous prescription treatment--lindane, an organochlorine insecticide that can be toxic to brain cells. But another prescription lice shampoo--brand-named Ovide--is being marketed with use instructions that increase the risk of harm. The FDA recently recommended that lindane be used only with extreme caution in anyone weighing less than 110 pounds, which includes most school-aged children. Consumers Union, publisher of Consumer Reports, has long advocated taking lindane off the market. The makers of Ovide, which has been available in the U.S. since 1999, have moved to take over …