Stories By 'Gretchen Reynolds'
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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The question of whether young children should use their heads on the soccer field has been a contentious one in recent years. In 2015, US Youth Soccer, the organisation that oversees most of the country’s leagues for children and teenagers, announced a ban on heading in games and practices by participants younger than 11, citing concerns that the play might contribute to concussions. In response, some soccer authorities pointed out that young players would be late to learn an essential soccer skill and that concussions from heading are rare in that age group regardless.
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Exercise changes the brains and sperm of male animals in ways that later affect the brains and thinking skills of their offspring, according to a fascinating new study involving mice.
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Small amounts of exercise could have an outsize effect on happiness.According to a new review of research about good moods and physical activity, people who work out even once a week or for as little as 10 minutes a day tend to be more cheerful than those who never exercise. And any type of exercise may be helpful.The idea that moving can affect our moods is not new. Many of us would probably say that we feel less cranky or more relaxed after a jog or visit to the gym.
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