你说得还真有点道理。Weight training 有助于增加骨密度,那太瘦了,骨密度就可能不够了
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Manymore
于
2013-09-25 11:55:34
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http://www.dailymail.co.uk/health/article-2011309/Broken-bones-depression-lung-disease-Why-skinny-bad-you.html