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 ...

Brody H. Foy does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Key Takeaways Children with obesity face a sharply higher risk of diabetes and heart issues by age 30Normal blood pressure ...

Labs calculate normal by testing everyone who walks through the door, including patients with undiagnosed conditions and chronic diseases. The middle 95 percent becomes the reference range, whether ...