Some conditions, like sciatica, kidney issues, ovarian or testicular problems, and even gas tend to appear on one side only. In those cases, the side the symptoms appear on may be more or less random.

That nagging shoulder ache that always appears on your right side. The knee that gives you trouble only on the left. The hip pain that never seems to affect both sides equally. If you’ve noticed that ...

Nerve damage generally happens slowly, says Isha Gupta, M.D., neurologist. So you might be able to catch it and prevent it ...

You wake up with a stiff neck, your lower back aches by noon, and your shoulders feel like they’re carrying the weight of the world. Sound familiar? Here’s the thing — most of your body pain isn’t ...

Gupta's new book examines the world of pain — why we feel it, and how we can treat it. He says distraction and meditation can ...

Lower right back pain can stem from spine, muscle, or internal organ problems. Depending on the cause, the pain can be sharp, ...

board-certified family medicine physician at Providence Saint John’s Health Center Santa Monica, California Whether it’s a dull, constant ache or a sharp pain in the left breast that comes and goes, ...

Editor’s note: Shift Your Mindset is an occasional series from CNN’s Mindfulness, But Better team. We talk to experts about how to do things differently to live a better life. Psychotherapist Nicole ...

Parkinson's disease often begins asymmetrically, affecting either the right or left side of the body first. Researchers from the University of Geneva (UNIGE) and the Geneva University Hospitals (HUG) ...

The quad muscles play an crucial role in the stability and function of your knee, Dr. Goolsby said. “They act like the knees’ ...