Causes of Vitamin B12 Deficiency | In-Depth Overview including Medications, Diseases & Fish Tapeworm

The video tutorial explores the causes of vitamin B12 deficiency, focusing on dietary intake and compromised absorption. It highlights the importance of B12 for the central nervous system and red blood cell health. The tutorial discusses various causes, including dietary restrictions, medications, pancreatic and gastrointestinal diseases, and autoimmune conditions. It also explains the normal B12 absorption process and how different factors can disrupt it, leading to deficiency.

How does pancreatic disease affect vitamin B12 absorption?

Identify gastrointestinal diseases that can lead to vitamin B12 deficiency.

Discuss the potential genetic causes of compromised absorption of vitamin B12.

What is the role of calcium in the absorption of vitamin B12?