A wearable health monitor can reliably measure levels of important biochemicals in sweat during physical exercise. The 3D-printed monitor could someday provide a simple and non-invasive way to track ...

In a study of eye fluid from 38 patients, Johns Hopkins Medicine researchers say they have found that levels of a specific protein appears to help accurately predict whether people with the wet form ...

Do you have a brain for math? New research indicates levels of two key neurotransmitters can predict mathematics ability, suggesting brain chemistry may be playing a role in those who find math easy.

Smartwatches and rings that claim to measure blood sugar levels for medical purposes without piercing the skin could be dangerous and should be avoided, the U.S. Food and Drug Administration warned ...

It’s widely believed that Apple sometime in 2014 or soon thereafter will introduce what many are calling the “iWatch,” a wearable device capable of tracking all sorts of interesting biometric data.

However, the measurement of sIL-2R is simple compared to the complex story behind this biomarker that has become so central to the study of immune-mediated disease. Why measure soluble interleukin-2 ...

Dear Doctor: My mother and father have hypothyroidism, as do my two younger sisters. Now I've been experiencing symptoms that would indicate thyroid problems. My doctor checked my T3 and TSH levels, ...

In 1992, the U.S. Department of Education sponsored the first nationwide assessment of adults’ English literacy skills. This assessment, called the National Adult Literacy Survey (NALS), was a ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...