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. US & World Videos 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 2:03 Does Shakira still believe in love following Gerard Piqué split? 1:36 O.J. Simpson's cause of death revealed 25:57 WATCH: ‘Changing Climate' highlights the Philly-area residents who are combatting climate change