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 ...

Growing old is often assumed to mean growing weak. But what if frailty in old age was avoidable — a clinical syndrome that could be measured, managed, and, in some cases reversed? “Ageing should not ...

Cardiovascular endurance is a measure of how well you can do exercises that involve your whole body at moderate to high intensity for an extended time. Improving your cardiovascular endurance can make ...

Thyroid level tests, including thyroid-stimulating hormone (TSH) and free T4, help diagnose underactive or overactive thyroid. Doctors may also check free T3, calcitonin, thyroglobulin, or thyroid ...