There seems to be little doubt that genetic factors are likely to be r~sponsible for many of the individual differences in sexual attitudes and behaviour that we have documented on previous pages; nevertheless, there is very little scientific evidence even for genetic causes of male-female differences other than those directly associated with physical characteristics. Even in animals individual...

In Finland, mortality from coronary heart disease is high, and much higher in the eastern than in the western counties. Both left and right coronary arteries of 141 children who died under one year of age at the Children's Hospital, University of Helsinki, were investigated. Thirty-two of these children formed a western and 41 an eastern group according to the birthplaces of their grandparents ...