Every training session begins the same way - stepping into ice-cold water that makes breathing feel impossible. His skin burns, hands go numb, and muscles tighten as the body fights to preserve heat.

Q: My blood pressure is a little high. My doctor is making me do constant at-home testing, take medication and check in with a nutritionist. Is it all necessary? -- Claire T., Pittsburgh ...

Vitamin D is crucial for far more than bone strength—it supports your mood, immune system, and even sleep quality. Experts explain why a deficiency can quietly harm your health and how to boost your ...

Doctors share what you shouldn't be doing if you want to live a long and healthy life.