[Variations in body weight as a function of age and smoking in physical workers]

The body weight of 181 men performing physical work at an industrial plant was observed for a long time. The rate of excessive body weight was about 20% and varied with age and smoking. In those with excessive body weight during 5 years a significantly higher rate of circulatory system diseases was found. The relative risk of circulatory system diseases was twice higher in those with excessive body weight, as compared to those with low body weight.