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BMJ 2010; 340 doi: (Published 26 May 2010) Cite this as: BMJ 2010;340:c2615

Canada may open its doors to vitamin and mineral food additives that cater to public interest and demand rather than nutritional rationale. Although the additives will be within the parameters of national food standards and guidelines, discretionary fortification could lead to long term risks due to chronic, unnecessary overexposure to nutrients. Decades of post market surveillance may be required to identify the consequences of such an amendment to world food standards (CMAJ 2010;82:426, doi:10.1503/cmaj.109-3185).

Could getting your tubes tied benefit your sex life? An Australian study of 2721 women concluded that a lack of interest in sex was less common among those who’d undergone tubal ligation than in those who had not. After correction for age and other sociodemographic differences, the study also found that sterilised women were significantly more likely to have high levels of sexual satisfaction, relationship satisfaction, and sexual pleasure than non-sterilised women. They were also less likely to take “too long” to reach orgasm and to …

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