National Institute Of Cardiology, Laranjeiras, Brazil

This study tests whether a noninvasive skin test can accurately diagnose microvascular heart problems in women who have chest pain but clear major arteries. Researchers will compare skin blood vessel function with invasive heart measurements in 60 women. If the skin test works, i…

This study looks at how small blood vessels change as we age, even in healthy people. Researchers will use a special camera to measure blood flow in the skin of 62 adults of different ages. The goal is to find early warning signs of aging-related inflammation and heart disease, w…