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It now appears most of us need about 5,000 units a day if we avoid the sun. The government was off by a factor of ten; an ,i>“order-of-magnitude error.”,/i> Mistakes of this scale are rare in medicine.
It now appears most of us need about 5,000 units a day if we avoid the sun. The government was off by a factor of ten; an ,i>“order-of-magnitude error.”,/i> Mistakes of this scale are rare in medicine.
