date:Aug 14, 2012
physical fitness and iron or vitamin status observed in this cross-sectional study in adolescents should be followed up by a study specifically designed to evaluate causal relationships.
Nutrition and fitness
Several studies have shown that adolescents' intake of important nutrients, as well as their performance on standard physical fitness tests, has fallen in recent years
The authors noted that because nutrition and fitness are tightly intertwined - for example, iron forms part of hemoglob