>> it could be a problem. >> cdc more involved. speaking of back here at home and a trend among our young people, anybody like hookah smoking? we're going to hear what they say is so appealing about this trend. but doctors say huh-uh on "sunday housecall." a body at rest tends to stay at rest...cs... while a body in motion tends to stay in motion. staying active can actually ease arthritis symptoms. but if you have arthritis,