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 ...

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 ...

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 ...

“Normal” levels of vitamin B12 may not be enough to ward off dementia, new research finds. Researchers at the University of California San Francisco studied 231 healthy older adults (averaging 71 ...

A blood test comes back showing vitamin B12 in the normal range, and the conversation moves on. But for older adults, that reassurance may be premature. A study of 231 cognitively healthy seniors ...