Inductively coupled plasma optical emission spectrometry was used for the detn. of 25 major and trace element concns. in scalp hair samples from a population of 159 students and employees of Wroclaw University of Technology. The effect of frequency of egg consumption and drinking milk, type of consumed eggs and bread buttering, the consumption of cottage and mould cheese, the source of fruits and vegetables, degree of food processing and the consumption of meals at the academic cafeteria on the mineral content of hair was checked. The results were elaborated statistically.