![8 Warning Signs of a Vitamin D Deficiency](https://keepfitkingdom.com/wp-content/uploads/thumbs_dir/8-Warning-Signs-of-a-Vitamin-Deficiency-KEEP-FIT-KINGDOM-842x472-1-qlhgt9p9wi63teghheldc6t1nfx1qbrs0ao8krjdsw.jpg)
While the world is diverse, there’s one thing more than one billion of us have in common: a vitamin D deficiency. This health disorder is shared by 35% of adults in the United States alone, and most of us don’t realize we have it. But a vitamin D deficiency can lead to severe problems, including a ...
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