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Is Teenage Milk Consumption Good for the Hips?

Cornelius W. Van Niel, MD Reviewing Weaver CM., JAMA Pediatr 2013 Nov 18;

Greater consumption was associated with later hip fracture in men but did not affect risk in women.

 

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SUMMARY AND COMMENT | PEDIATRICS AND ADOLESCENT MEDICINE

December 11, 2013

Is Teenage Milk Consumption Good for the Hips?

Cornelius W. Van Niel, MD Reviewing Weaver CM., JAMA Pediatr 2013 Nov 18;

Greater consumption was associated with later hip fracture in men but did not affect risk in women.

 

Bone mineral content increases most during adolescence, and adequate milk consumption is recommended for teenagers. But, does greater milk intake during adolescence prevent later osteoporotic fractures? To find out, investigators examined teenage milk consumption as reported at enrollment by 61,600 women (age range, 30–55) in the Nurses’ Health Study and 35,350 men (age range, 40–75) in the Health Professionals Follow-up Study. Women were prospectively followed for up to 22 years after reaching menopause, and men after age 50, for self-reported hip fractures not due to major trauma or malignancy.

In analyses adjusted for adult and teenage diet measures, supplement use, physical activity, and body-mass index, and adult medication use, milk intake, and age, the risk for hip fracture in men increasedsignificantly by 9% for each additional 8-ounce glass of milk per day consumed between ages 13 and 18 years (relative risk, 1.09). Teenage milk intake did not affect risk for hip fractures in women. Both men and women who drank more milk as teenagers were taller than those who drank less. Adjustment for height (an independent risk factor for hip fracture) attenuated the fracture risk associated with teenage milk intake in men (RR, 1.06).