[ad_1] <br>Nearly 1 in 4 Americans is deficient in Vitamin D. How do you know if you're one of them? <font color="#6f6f6f">USA TODAY</font> <br>[ad_2] <br><a href="https://news.google.com/rss/articles/CBMipAFBVV95cUxPRFF2SnMwcDRVODZKVVZmNDREQmU1MjlyN1dLR2dyak5Fem50TEFLYzVlMmhoaFRKUmVVaXgyNHcwZUhKYVBCejh3OHJnVnNLYURxQjV3M2owUWVTZmFlbTZaYWFhcGZSeDdoTC0tLTg1SkRRYXExVzJQbThMMklmZ3J6QWJuMUh2eGNhZkNDLVJ5YW9QXy1BcV9TcmlseTdVNjlORg?oc=5">Source link </a>