Celebrities like Katherine Heigl are praising a viral fitness regimen for whipping them back into …

2018-04-13 61 words 1 min read

It may sound like hype, but working your body fast and hard for just a few minutes — interspersed with short periods of rest — is an effective means of toning your muscles and improving your heart health. This type of exercise goes by a handful of names, including high intensity interval training, HIIT, and … … (continue)

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