Around 15% of the US population is deficient in B12, which can cause them to feel fatigued, irritable, and constipated.

A vitamin B12 deficiency can cause cognitive issues, muscle weakness and other problems. Here's how to make sure you're ...

You cannot overdose on vitamin B12 because it is a water-soluble vitamin, so any excess is excreted through urine.

For several months during the summer, my dog Scout vomited at 3 a.m. nearly every day. If you have a dog, you know the sound. And each time, she gobbled up her mess before I could get to it, making ...

Feeling drained, unmotivated, or forgetful? These might be more than just a bad day-they could signal a vitamin B12 deficiency. Vitamin B12 is crucial for your body's energy production and overall ...

Editor’s note: This column was corrected Tuesday, Dec. 29. Vitamins are substances that the body can’t make that are necessary in trace amounts for normal metabolic functioning. Vitamin B12 is made by ...

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 ...

Many diseases don’t show clear symptoms until it’s too late. That’s why routine health checks, especially blood tests, are important. They help catch silent problems early so you can treat them before ...

For several months during the summer of 2022, my dog Scout vomited at 3 a.m. nearly every day. If you have a dog, you know the sound. And each time, she gobbled up her mess before I could get to it, ...