Ryan Van Duzer, an outdoor enthusiast who has starred in reality TV adventure shows, visits Colorado schools to talk about how working out can be entertainment. He says he often leaves frustrated after kids tell him about staying inside playing video games.
The obesity crisis is catching up with Colorado, the nation's thinnest state.
Being fit is part of the culture in Colorado: there are biking trails and hiking trails and ski slopes and even the high altitude itself helps burn off calories. But waistlines are widening, especially among children.
You think your job is tough? Some scientists examined sewage from Pittsburgh, Barcelona and Addis Ababa in a hunt for unknown viruses.
They found scads. How many? At least 43,381.
To put that number into perspective, consider that up to now scientists have charted only about 3,000 viruses. And among the known viruses found in the sewage samples, only 17 were bugs that cause human disease — things like the common cold virus, diarrhea-causing Norwalk virus and human papilloma virus, or HPV, which causes cervical cancer and genital warts.
Losing weight in America is big business. Americans spend $61 billion a year on everything from diet pills and exercise videos to meal plans, health club memberships and medical treatment. One of the fastest growing and lucrative segments of the weight-loss market is surgery.