Do opposites attract? 2016-10-20

He's going to look for signs for fertility and what we call fecundity and good health. And the major indicator of that in women is the waist-hip ratio. And the waist-hip ratio – the absolute ideal – what men find most attractive regardless of culture – this has been tested in many different cultures round the world – is 0.7 and that's really your classic hourglass figure. And the reason why that universally is attractive is because it's tied to the health of that individual. There's a very strong relationship between someone circulating oestrogen and testosterone – obviously you want the oestrogen to be high and the testosterone to be low for a woman to be fertile, and also her general health, so .7 is linked to lower risk of heart disease, lower risk of diabetes and certain sorts of cancers.