TIME | Even a little bit of physical activity can help the heart

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Most exercise recommendations include several sessions of moderate to vigorous activity each week, but not all adults are physically up to the task. There’s a lot of back and forth among experts on just how much activity people need to enjoy health benefits, and whether it’s the intensity of the exercise or the amount that matters. That’s especially important for older people who are more likely to have issues with mobility but are also at higher risk of heart disease and other problems that physical activity can help. For them, is even a little more movement enough, or do they need to reach a certain threshold, which for many is unrealistic? Continue.