Stories By 'Gretchen Reynolds'
If we spend an hour working out, that’s one hour less during our day that we can potentially spend being sedentary.
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Think for a moment about your school gym classes. Did you just grin with fond reminiscence or reflexively shudder?A revealing new study suggests that these disparate responses to memories of physical education classes are both common and consequential. How we felt during gym classes years or decades ago may shape how we feel about exercise today and whether we choose to be physically active, the study finds. The result may have implications for our understanding of exercise motivation and also for how we should introduce our children to sports and movement.
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Sitting for hours without moving can slow the flow of blood to our brains, according to a cautionary new study of office workers, a finding that could have implications for long-term brain health. But getting up and strolling for just two minutes every half-hour seems to stave off this decline in brain blood flow and may even increase it.
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At the height of summer, naps at the beach can be alluring, and many of us may find ourselves tempted to take prolonged vacations from exercise.
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Walking a dog can be fine exercise. But many people do not have access to a dog, and many of those who do choose not to walk them.Two small new studies, however, may offer novel ways to promote dog walking and its myriad benefits, even to people without dogs. But the results also indicate that there can be substantial barriers to using a pet to improve your health.
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A provocative new study involving overweight men and women suggests that it probably can, undercutting a widespread notion that exercise, by itself, is worthless for weight loss. But the findings also indicate that, to benefit, we may need to exercise quite a bit.
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