Getting in shape may improve afib symptoms
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The study included 308 people with afib who were also overweight or obese, a condition that raises the risk of afib. The participants answered questions about their afib symptoms and underwent tests to determine their fitness levels, which were described in metabolic equivalents, or METs. (METs measure your level of exertion and are based on how much oxy-gen your body uses during activities; sitting still is 1 MET, and brisk walking is 3.)
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