Too little milk, sunshine and exercise: It's an anti-bone trifecta. And for some kids, shockingly, it's leading to rickets, the soft-bone scourge of the 19th century. But cases of full-blown rickets are just the red flag: Bone specialists say possibly millions of seemingly healthy children aren't building as much strong bone as they should — a gap that may leave them more vulnerable to bone-cracking osteoporosis later in life than their grandparents are.
Doctors have long known that less than a quarter of adolescents get enough calcium. But strong bones require more than calcium alone. Exercise is at least as important. Likewise, the body can't absorb calcium and harden bones without vitamin D. By some estimates, 30 percent of teens get too little. It's not just that they don't drink fortified milk. Bodies make vitamin D with sunlight. With teen computer use, urban youngsters without safe places to play outdoors and less school P.E., it's no wonder D levels are low. Because skin pigment alters sun absorption, black children are particularly at risk.
Bonnie - it surely is not from too little milk. It is from excess sugar from fruit juice and softened drinks (including phosphorous) that are chosen instead of milk which is the culprit. If mineral dense waters were chosen instead of milk, we wouldn't be seeing the bone issue in children. Studies have shown calcium waters are just as good for bone or better than milk.
In addition, while they say a quarter of adolescents do not get enough calcium, at least 75% don't get enough magnesium, which is essential for proper calcium metabolism.
Lastly, sunlight and good vitamin D intake is crucial for bone.
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