The aims which motivated the nutrition status surveys conducted in 1962 - 65 on Pretoria school children of the 4 main racial groups are discussed and (he populations surveyed are defined and descriptionbed.
An investigation on the effect of supplementation of the diet with maize meal on the levels of serum cholesterol and Mg was conducted using 16 healthy adult males as subjects, of which 10 men were experimental and 6 control subjects.
Forty marasmic infants were divided at random into 2 groups on admission to hospital. One group received a diet consisting of whole milk with added sunflower-seed oil, providing a calorie intake of about 170 cal.jkg. bodyweight per day, and the other whole milk without additional oil, providing about 120 cal./kg body-weight per day.
In a consecutive series of 200 African and Indian patients admitted to one medical unit, hookworm infection occurred in 46. In the same series, 49 patients suffered from iron-deficiency anaemia yet only 14 of these had hookworm infection, and in less than half was the load a heavy one.