Talk test: One easy tool could make any exercise more or less intense - WPTZ

The World Health Organization has recommended that adults get at least 150 minutes -- 2 1/2 hours -- of moderate-to-vigorous physical activity weekly.

If you're wondering how to stick with your favorite workout but make it more intense, the "talk test" might be your answer. The talk test is a way to measure relative intensity of an activity, and i… [+1967 chars]

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