Feb 3 • 17:00 UTC 🇸🇰 Slovakia Denník N

Are you attracted to HIIT, the trendy workout that only takes 20 minutes? If you're not in shape, you risk collapse, says trainer Iľja Číž

Trainer Iľja Číž warns that while HIIT can promise effective weight loss in just 20 minutes, those who haven't exercised for a while may face serious health risks.

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