What causes nutrient- vitamin deficiencies? It's not always a matter of just failing to eat a balanced diet. Long-term use of proton-pump inhibitors (PPIs), cholesterol-lowering statins, diuretics, and other medications can interfere with the body's ability to produce, absorb, or utilize crucial nutrients. Celiac disease, inflammatory bowel disease such as Crohn's disease, and … [Read more...] about 7 Vitamin Deficiencies You Must Know About