Stretches for upper back pain can speed relief naturally. And they may even improve your posture, too! Keep reading to learn ...

“If you improve your upper back flexibility day to day, your lower back should notice a big difference,” Kirsty, my “robot physio”, soothes as I rotate my spine against the kitchen wall.

A hiatal hernia – a rarer cause of pain under your left breast—is when your upper stomach bulges through the diaphragm, which separates your abdomen and chest, per Mayo Clinic. The painful sensation ...