Unfortunately, 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. Because nutrition and fitness are intertwined—for example, iron forms part of hemoglobin, which carries oxygen to muscles, and antioxidants such as vitamin C aid in rebuilding damage after intense training—these two findings could be related.
In a new study, researchers have found that adolescents’ blood levels of various micronutrients are correlated with how well they performed in certain physical fitness tests. Though these results don’t prove causality, they suggest a new relationship between different measures of adolescent health.
The article is entitled “Iron and Vitamin Status Biomarkers and its Association with Physical Fitness in Adolescents. The HELENA Study.” and is online at http://bit.ly/Q2j6lJ. It appears in the online edition of the Journal of Applied Physiology, a publication of the American Physiological Society.
“The associations between 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,” the authors write.Research Team
NOTE TO EDITORS: The article is available online at http://bit.ly/Q2j6lJ. For additional information, or to schedule an interview with a member of the research team, please contact Donna Krupa at email@example.com, @Phyziochick, or 301.634.7209.
Physiology is the study of how molecules, cells, tissues and organs function to create health or disease. The American Physiological Society (APS; www.the-APS.org/press) has been an integral part of the discovery process for 125 years. To keep up with the science, follow @Phyziochick on Twitter.
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