Jay N. Yepuri, MD, MS, FACG, is a board-certified gastroenterologist and member of the Digestive Health Associates of Texas Board of Directors and Executive Committee. A liver function test checks how ...

Learn how a simple blood test measuring a key Alzheimer’s protein may help estimate when symptoms are likely to begin, potentially reshaping prevention research. A simple blood draw may soon help ...

You’re not imagining it: The postmeal lull is real. Many people feel fatigued, foggy, or irritable after meals, even when lab tests show a normal A1C level. A1C measures average blood sugar levels ...

A simple blood test might one day serve as a molecular ‘clock’ that predicts not only whether someone will develop Alzheimer’s disease — but when. Blood tests are now approved for Alzheimer’s: how ...

A closely watched clinical trial in Britain that screened blood for early detection of cancer did not show a reduction in diagnoses at later stages of the disease. By Rebecca Robbins and Gina Kolata A ...

Patients alarmed after glucose monitors used by diabetics are recalled after links to 7 deaths - Abbott recalled certain sensors used in its FreeStyle Libre 3 and FreeStyle Libre 3 Plus systems, warni ...

Researchers developed a "clock" model that based on a single blood test can estimate Alzheimer's symptom onset in cognitively unimpaired adults. The model predicted ...

Follow live NBC News coverage and latest updates on the Iran war, as Tehran attacks ships around the Strait of Hormuz, the ...

One recent study linked a lower risk of Alzheimer's disease and cognitive decline to lifelong learning and intellectually ...

The US will waive sanctions on certain countries to reduce oil prices, Donald Trump has said. The president did not say which countries would be given sanctions relief, but Reuters previously reported ...