As early as the 1930s researchers noticed children born in winter were more prone to health problems later in life - slower growth, mental illness and even early death.
早在20世纪30年代,研究人员就发现冬季出生的孩子在日后更容易产生健康问题——发育迟缓,精神疾病以及早死。
Among the proposed explanations were diseases, harsh temperatures and higher pollution levels associated with winter when those expectant mothers and near-term foetuses might be most vulnerable.
研究人员给出的解释是冬天疾病泛滥,天气苦寒,污染浓度高,而此时的准妈妈和待产的宝宝们往往都非常脆弱。
But being born in summer can have drawbacks - such as an increased risk of short-sightedness.
但在夏季出生也有一些缺点,比如近视的可能性就比较大。
It's thought sunshine interferes with the delicate development of the eye - making focusing difficult and distant objects appear blurred.
研究人员认为阳光和眼睛的发育密不可分,它让眼睛聚焦变难,看远处的物体也比较模糊。
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