Your doctor says everything looks fine, but you still feel terrible. The problem might not be your health but how labs define “normal.” Understanding the difference between normal and optimal could ...

You're likely no stranger to getting lab work done every year or so to check on your overall health. Whether it's part of a routine checkup or because something's out of whack and you want a closer ...

Learn how to manage persistent acromegaly symptoms after normal lab results, including monitoring, causes of lingering issues, and coordinated care strategies.

As a lifelong health and fitness enthusiast with 15 years of experience, Rachel MacPherson is passionate about cutting through fads and noise. Her aim is to clearly communicate health information with ...

Q: I had a thyroidectomy a few years ago, and have been taking levothyroxine daily since then. My dose has been stable. While ...

Higher than normal blood ammonia levels are called hyperammonemia. Acceptable levels depend on age and sex but range from about 42 µg/dL in infants to 200 µg/dL adults assigned male at birth. When you ...

Kristin Weiland is a documentary film producer and writer with a background in crisis management and ethnographic research. She specializes in investigative and social impact documentary projects, and ...