The Roots of Aeste of Aesthetics

i find the healthier i am, the the sexier real health looks. And the unhealthier a real health looks, the less attractive poor health looks. Scientists want to say what are the roots of aeste of aesthetics? Ike, what do humans consider attractive and why? And can we find consistencies across culture ? A nice smile is one of em. In men, it's a hip to waste ratio, excuse me, a waist to shoulder ratio.