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Your heart pumps blood through the circulatory system to supply your muscles with oxygen and nutrients. And research has found much evidence that HIIT exercise can support and even strengthen your circulatory system.

Heart disease is the leading cause of death without a place in the United States, and improving cardiovascular health can reduce the risk of heart disease, so exercising HIIT is a good investment

Read more at: https://www.clapbuzz.com/fitne....ss/best-relaxation-t

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