The vagus nerve does it all—tells your lungs to breathe, controls your heart rate, and even forms the foundation for a whole ...

A global research collaboration has revealed how certain gut cells switch on pain signals, which can linger long after the ...

When you’re low, you may experience adverse symptoms like a headache, dehydration, or mental confusion. Here’s how to tell if ...

Medically reviewed by Amy Kwan, PT Your latissimus dorsi (your "lats") is a broad, flat, triangle-shaped muscle that spans your middle and lower back and extends to the front of your humerus (upper ...