Vitamin D tests involve taking a blood sample to measure the vitamin D levels in your bloodstream. There are two forms of vitamin D in the blood: 25-hydroxy vitamin D, or calcidiol, and 1,25-dihydroxy ...

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This week Yale’s office of undergraduate admissions announced a new policy on standardized testing for first-year and transfer applicants. After four years with a test-optional policy that allowed ...

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Colleges have fled standardized tests, on the theory that they hurt diversity. That’s not what the research shows. Credit...Photo Illustration by Alex Merto Supported by By David Leonhardt David ...

There is no evidence that tools used for cervical cancer screenings are cancerous, despite a video circulating online warning about the sterilisation process of test utensils. A controlled amount of ...

A breakdown of the full process we use to test web hosting services for our reviews and best-of lists. Dianna Gunn built her first WordPress website in 2008. Since then, she's poured thousands of ...