American youths are becoming increasingly less physically active and have poor nutrition habits. Nationwide, less than one third of students reported achieving the recommended level of physical activity (one hour of exercise per day). In addition, most youths consume less than the recommended daily amounts of vegetables, fruits, and whole grains.…

Data from nearly 30,000 pregnant and third decade (20-29 years) mothers show that small infant size among teenage mothers is consistent with the mother's size and not directly related to early age at conception. Third decade mothers of comparable size give birth to infants with essentially the same characteristics and problems. (Author/GC)

This report is the second in a series of reports presenting analyses and discussion of data on body measurements performed in Cycle III of the Health Examination Survey. The method employed for the study, which involved physical examinations of youths at mobile examination centers at 40 preselected locations throughout the country, is described in…

It should now be recognized that every child has at least five parallel ages: A "chronological" age, in years, months, and days: a "physiological" age, indicative of physical growth and maturity; a "mental" age, significant of intellectual capacity and ability; a "school standing," or "pedagogical"…