The evil influence persists even up to adult life.

In some parts of France where the wet-nurse industry flourishes so greatly that nearly all the children are brought up by hand, it has been found that the percentage of rejected conscripts is nearly double that for France generally.

Corresponding results have been found by Friedjung in a large German athletic association.

Among 155 members, 65 per cent.

were found on inquiry to have been breast-fed as infants (for an average of six months); but among the best athletes the percentage of breast-fed rose to 72 per cent.