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What a drag

发布时间:2019-03-06 01:12:14来源:未知点击:

PASSIVE smoking can cause premature birth, according to Jouni Jaakkola of the Nordic School of Public Health in Gothenburg, Sweden, and his colleagues. The researchers measured nicotine levels in the hair of non-smoking women who had recently given birth. They found that those with the highest levels of nicotine were six times as likely to give birth more than 3 weeks prematurely. Women with medium-level exposure were also at risk, they report in Environmental Health Perspectives (vol 109,