Health and Nutrition
Limiting dairy can cause weak bones
Adults who limit dairy consumption because of lactose intolerance tend to get less calcium and vitamin D in their diets than others and are prone to osteoporosis as a result, concluded Israeli researchers who studied 66 lactose intolerant adults. The study tested the hypothesis that long-term, low calcium intake impairs bone metabolism in all age groups. Results showed that low calcium intakes and low vitamin D status were associated with increased bone turnover and decreased bone density, particularly in postmenopausal women and men. The authors recommend that, "a decrease in bone mass in lactose intolerant patients should be diagnosed and corrected by proper diet or pharmacological supplements in all age groups," rather than waiting until later in life when preventive therapy may be less effective.
Segal, E. et al. Bone density in axial and appendicular skeleton in patients with lactose intolerance: Influence of calcium intake and vitamin D status. Journal of the American College of Nutrition. 2003; 201-207.