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Vitamin B12 deficiency can cause anemia, nerve damage, cognitive changes, and mood symptoms. Experts warn it’s often missed, ...

Vitamin B12 is found only in animal foods, but in good amounts. So unless you’re a vegan, chances are you’re getting plenty of it in your diet. Yet many older adults are deficient in the vitamin. Why?

We tested the best vitamin deficiency tests from LetsGetChecked, Everlywell, and LabCorp, and our testers found them easy to use and informative. Learn more about the best vitamin deficiency tests ...

A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...

Do you think annual blood tests are enough These 5 blood tests that are often missed can point out the risks to your health ...

Possible Reasons, and The Best Labs for Fatigue Key Takeaways: Fatigue describes more than just feeling sleepy — it’s a ...

Vitamin B has been getting more attention as people look for ways to boost their energy and support their overall health. Many energy drinks now include several B vitamins, and social media ...

Vitamin B12 deficiency can result in a host of symptoms, ranging from fatigue and brain fog to irritability and pins and needles. Despite having a normal B12 test result, some individuals may still ...