DEAR MAYO CLINIC: My grandmother lives with me, and she is always nagging me to “stand up straight” and “put your shoulders back.” She says good posture will keep me healthy as I age. But I’m only 17.

In today’s world, where long hours in front of screens and sedentary lifestyles are the norm, optimal body alignment is more important than ever. The rise of posture correctors offers a promising ...

As a child, being told to sit or stand up straight may have felt like a nuisance, but those adults in your life were on to something: Good posture helps you stay healthy and pain-free. “It can affect ...