Sharing your bed can reduce your brain power - but only if you are a man, say scientists.
科学家提示：如果你是男性，和伴侣同床共枕会使你的脑力下降。
Increase your social network. People with a full social calendar have better brain power.
增加你的社交网络。那些社交日历满满当当的人有更好的脑力。
Scientists from the University of New Mexico analyzed IQs across the United States and declared that exposure to infectious disease had a huge effect on brain power.
美国新墨西哥大学的科学家们通过分析美国人的智商，得出了这个结论：传染性疾病可对人类脑力产生巨大影响。
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