B12 Deficiency Exposed: The Controversial 7 Warning Signs - Is It the Silent Epidemic? Introduction Vitamin B12, also known as cobalamin, is a crucial nutrient that plays a significant role in the proper functioning of the nervous system, red blood cell formation, and DNA synthesis. Unfortunately, B12 deficiency is a relatively common condition, particularly among older adults and vegetarians, which can lead to various health issues, including anemia, nerve damage, and cognitive decline. In this article, we will discuss seven warning signs of B12 deficiency, along with the possible causes and treatment options. Fatigue and Weakness   One of the most common symptoms of B12 deficiency is fatigue and weakness, which can occur due to the lack of red blood cells that carry oxygen throughout the body. Vitamin B12 plays a crucial role in the production of red blood cells, and a deficiency in this nutrient can lead to a condition called pernicious anemia. In this condition, the