The brush inquiry: An opportunity to investigate health outcomes in a well-characterized cohort.

The Brush Inquiry was conducted in Cleveland, Ohio, from 1926-1942 to longitudinally document the growth and development of healthy children and adults. The Brush population was a heterogenous group with a broad representation of racial and socioeconomic groups. Data collection included radiographs of several parts of the body; motor, mental, and psychological tests; health, nutrition, and prenatal history; body measurements and family history.

Toxocara canis infection in preschool age children: risk factors and the cognitive development of preschool children.

Risk factors for Toxocara canis (T. canis) infection were evaluated in a prospective study of disadvantaged preschool children. In addition, the hypothesis that T.