Research suggests that the time children spend outdoors could be linked to a reduced risk of being short-sighted.
Research suggests that the time children spend outdoors could be linked to a reduced risk of being short-sighted, the BBC reported.
据英国广播公司报道，研究表明，孩子们在户外呆的时间越长，越可降低近视的风险。
An analysis of eight previous studies by University of Cambridge researchers found that for each additional hour spent outside per week, the risk of myopia reduced by 2%.
通过对剑桥大学先前的8项研究分析后发现，孩子每周在户外多呆一个小时，得近视的风险可降低2%。
Exposure to natural light and time spent looking at distant objects could be key factors, they said.
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