Overprotective parents who cover their children with sunscreen even in far northern latitudes have helped bring the disease rickets back from the grave across the United Kingdom, orthopedic surgeon Nicholas Clark has warned.
Ricketts is a childhood bone-softening disease produced by deficiency of vitamin D, which the body produces upon exposure to sunlight. Children living far from the equator, where the sun is weaker, are particularly at risk if they do not get regular skin exposure to full-strength sunlight. The disease was common in the United Kingdom for centuries, until fortification of milk helped stamp it out 80 years ago.'
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