“Thus understanding the reasons why men find certain women attractive should help us better understand human evolution." To reach their conclusion, the scientists examined data from more than 12,000 participants in two National Health and Nutrition Examination Surveys (US-based studies that explore the health and nutritional state of affairs of adults and children). They found that, as well as being a sign of ..... maturity, a low WHR was also strongly associated with higher levels of omega-3 docosahexaenoic acid (DHA), a nutrient crucial during pregnancy and breastfeeding.