Nikolaos E Rodopaios1, Vassilis Mougios2, Alexandra-Aikaterini Koulouri3, Eleni Vasara4, Sousana K Papadopoulou5, Petros Skepastianos6, Emmanouil Dermitzakis7, Maria Hassapidou5, Anthony G Kafatos3. 1. Department of Social Medicine, Preventive Medicine and Nutrition, Medical School, University of Crete, Heraklion, Greece. nikow1966@yahoo.gr. 2. Laboratory of Evaluation of Human Biological Performance, School of Physical Education and Sport Science at Thessaloniki, Aristotle University of Thessaloniki, Thessaloniki, Greece. 3. Department of Social Medicine, Preventive Medicine and Nutrition, Medical School, University of Crete, Heraklion, Greece. 4. Laboratory of Animal Physiology, Department of Zoology, School of Biology, Aristotle University of Thessaloniki, Thessaloniki, Greece. 5. Department of Nutritional Sciences and Dietetics, International Hellenic University, Thermi, Greece. 6. Department of Medical Laboratory Studies, International Hellenic University, Thermi, Greece. 7. Department of Genetic Medicine and Development, University of Geneva Medical School, Geneva, Switzerland.
Abstract
Proper nutrition throughout childhood and adolescence is crucial for normal bone development. We investigated whether adherence to Christian Orthodox Church fasting is characterized by periodic avoidance of animal foods (including dairy products), since childhood affects stature or bone health in young adults. This cross-sectional study included 200 healthy men and women, aged 18-35, of whom 100 had been following religious fasting for a median of 14 years, starting at the age of 10, and 100 were non-fasters. Measurements included body height; bone mineral density and bone mineral content at the lumbar spine, right hip, left hip, right femoral neck, and left femoral neck; prevalence of bone fracture; serum biochemical parameters; food and nutrient intake; and physical activity and smoking habits. Fasters did not differ from non-fasters in anthropometric measures (including height), bone mineral density and content, or prevalence of low bone mineral density at any of the five sites measured; number of bone fractures; or serum calcium or 25-hydroxyvitamin D concentrations (P > 0.05). Fasters had lower daily calcium and protein intakes, as well as lower dairy consumption than non-fasters. Groups did not differ in physical activity, and fasters smoked less than non-fasters. Conclusion: Despite lower calcium intake and lower dairy product consumption, individuals adhering to religious fasting since childhood did not differ in height, bone mineral density and content, or prevalence of fractures from controls. Therefore, periodic abstention from dairy and, generally, animal products since childhood does not seem to compromise bone health in young adults.What is Known: • Bone health is an important determinant of overall health and longevity. • Proper nutrition throughout childhood and adolescence is crucial for normal bone development. • Adequate intake of dairy products is considered important due to their high calcium content.What is New: • Young adults with limited calcium intake and dairy product consumption, due to adherence to the fasting rules of the Christian Orthodox Church since childhood, do not differ in height or indices of bone health from non-fasting controls.
Proper nutrition throughout childhood and adolescence is crucial for normal bone development. We investigated whether adherence to Christian Orthodox Church fasting is characterized by periodic avoidance of animal foods (including dairy products), since childhood affects stature or bone health in young adults. This cross-sectional study included 200 healthy men and women, aged 18-35, of whom 100 had been following religious fasting for a median of 14 years, starting at the age of 10, and 100 were non-fasters. Measurements included body height; bone mineral density and bone mineral content at the lumbar spine, right hip, left hip, right femoral neck, and left femoral neck; prevalence of bone fracture; serum biochemical parameters; food and nutrient intake; and physical activity and smoking habits. Fasters did not differ from non-fasters in anthropometric measures (including height), bone mineral density and content, or prevalence of low bone mineral density at any of the five sites measured; number of bone fractures; or serum calcium or 25-hydroxyvitamin D concentrations (P > 0.05). Fasters had lower daily calcium and protein intakes, as well as lower dairy consumption than non-fasters. Groups did not differ in physical activity, and fasters smoked less than non-fasters. Conclusion: Despite lower calcium intake and lower dairy product consumption, individuals adhering to religious fasting since childhood did not differ in height, bone mineral density and content, or prevalence of fractures from controls. Therefore, periodic abstention from dairy and, generally, animal products since childhood does not seem to compromise bone health in young adults.What is Known: • Bone health is an important determinant of overall health and longevity. • Proper nutrition throughout childhood and adolescence is crucial for normal bone development. • Adequate intake of dairy products is considered important due to their high calcium content.What is New: • Young adults with limited calcium intake and dairy product consumption, due to adherence to the fasting rules of the Christian Orthodox Church since childhood, do not differ in height or indices of bone health from non-fasting controls.
Entities:
Keywords:
Adulthood; Bone mineral density; Calcium; Childhood; Christian Orthodox Church fasting; Dairy
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