WASHINGTON — A new U.S. Navy submarine will be named for the Mermaid City, the Navy said Tuesday. The future USS Norfolk (SSN 815), a Virginia-class submarine, honors the city — home to Naval ...
Vitamin D levels can be measured with a blood test. This test can indicate whether you have adequate levels, are at risk of a vitamin D deficiency, or have levels that are too high. Levels that are ...
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