CNN Newsroom videos
'CNN: R.I.P. food pyramid'
'Kangoo Fitness'
'CNN Fit Nation Race Day!'
'Applications open for Fit Nation 2014'
'Fit Nation: She lost 35 pounds in 4 months'
'Fit Nation team starts journey to tri'
'Fit Nation 2015 team kick off in Atlanta'
'Fit Nation athlete faces knee surgery'
'Checking in with Fit Nation athlete Erica Moore'