This article was reviewed by Felix Gussone, MD. Key Takeaways: Preparing properly for lab tests helps ensure your results are accurate and reliable. Some tests — ...

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 ...

This is read by an automated voice. Please report any issues or inconsistencies here. You don’t feel like yourself. Maybe you’re low on energy, you’re not sleeping well, or your mood feels harder to ...