Can Vitamin B12 Deficiency Be a Sign of Cancer? Understanding the Link
Vitamin B12 is one of the most essential nutrients for our body — it helps make red blood cells, keeps the nervous system healthy, and supports DNA production. A deficiency can lead to fatigue, weakness, and even neurological problems. But many people wonder — can a lack of vitamin B12 be a sign of cancer? Let’s understand the connection more deeply. --- What Is Vitamin B12 Deficiency? A vitamin B12 deficiency occurs when the body doesn’t get enough of this vital nutrient from diet or cannot absorb it properly. It’s commonly seen in people who: Follow strict vegetarian or vegan diets Have digestive issues like celiac or Crohn’s disease Are older adults Have pernicious anemia (an autoimmune disorder affecting absorption) Symptoms can include tiredness, pale skin, shortness of breath, tingling hands or feet, and memory problems. --- Is Vitamin B12 Deficiency a Sign of Cancer? Vitamin B12 deficiency is not usually a direct sign of cancer, bu...