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social sciences

Common Chemicals Linked to Early Menopause

Fifteen chemicals that disrupt our endocrine hormonal systems have been linked to earlier menopause among US women. Amber Cooper from Washington University in St Louis, US, and colleagues found women…

Friends Share Genetic Similarities

If you consider your friends family, you may be on to something. A study from the University of California, San Diego, and Yale University finds that friends who are not…