October 7, 2008 1:24 pm Unhealthy Pets More than 70 million homes in the United States have at least one pet. But as more families choose non-traditional pets such as hamsters, gerbils, turtles and lizards, pediatricians are raising a red flag. Local 2:14 Opioid crisis: National drug take back day on Saturday 2:55 Concussion treatment: Returning to school and limiting screen time may help, study finds 2:39 What to know about ADHD medication and pregnancy 2:08 How to pick the best running shoes for outdoor exercise 3:41 Nail biting: A psychiatrist shares tips