Illness does not rise up by the descent of the Force; nor hereditary taint nor madness.

Only use breeding stock with sound temperament, in good health, with no known hereditary or congenital diseases, and free of parasites and communicable diseases.

Early detection is made difficult by the fact that two-thirds of all children have no family predisposition but 15% of them nevertheless suffer from allergies during early childhood.

 In giving expression to his moral conscience, man frees himself from the temptations that assail him as a result of that hereditary blemish which affects his complex organism  : original sin.

I could not say whether the physical and mental deformity of my fellow-passenger was the result of long psychiatric confinement, some innate debility, or simply beer-drinking and eating between meals.