@CNN: Want to be gym trendy in 2018? Do HIIT https://t.co/5kARURKMCQ (via @CNNHealth) https://t.co/g4sJDhtOvr

January 3, 2018 / The Arbiter / CNN

@CNN: Want to be gym trendy in 2018? Do HIIT https://t.co/5kARURKMCQ (via @CNNHealth) https://t.co/g4sJDhtOvr

Want to be gym trendy in 2018? Do HIIT https://t.co/5kARURKMCQ (via @CNNHealth) http://pic.twitter.com/g4sJDhtOvr

— CNN (@CNN) January 3, 2018

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