Digit Ratio: A Pointer to Fertility, Behavior and Health by John T. Manning

Digit Ratio: A Pointer to Fertility, Behavior and Health by John T. Manning- Michael Mills examines the claim that digit ratio allows us infer whether an individual is likely to have homosexual inclinations, be highly fertile, may eventually suffer from a heart attack or breast cancer, have musical aptitude or sporting prowess, and a surprisingly long list of other characteristics.