A stress test can help doctors diagnose certain heart conditions, but it’s a good idea to consider ages when deciding who might undergo this exercise-based screening. Share on Pinterest FG Trade/Getty ...

A diurnal cortisol test shows the pattern of cortisol levels, a biomarker for stress, throughout the day. Abnormal changes in cortisol levels may be an indicator of an underlying mental or physical ...

When Krishna Patel, MD, ordered a cardiac stress test for an 80-year-old patient, she did not expect how the move — the standard of care for patients with elevated coronary artery calcium — would ...

According to Merrill H. Stewart, MD, Ochsner Health, the test can more accurately identify high-risk patients while helping others avoid unnecessary invasive procedures. Cardiac positron emission ...