COVID Vaccine side effects very widely in different people; A diabetic woman asks about her mild anemia -- what causes my low iron levels? Could symptoms after a skin abrasion reveal a shingles infection? Caller asks about getting dental work in Mexico; UV-irradiated mushrooms are an excellent source of Vitamin D -- many more benefits of various mushrooms; The complicated issue of statin use in the elderly; An emailer has an interesting case of thyroid hormone balancing