“Iron Deficiency Anemia: Symptoms and Causes” with Eric Berg (DC) breaks down why you might feel drained, deal with brittle nails, or crave ice—clues your body may be low in iron. Dr. Berg walks through common causes, from heavy periods to low stomach acid and chronic inflammation that can block iron absorption. Instead of just popping supplements, he shares how addressing inflammation with simple steps like fasting and vitamin D can help your body restore healthy iron levels naturally.