<prompt> Keshans disease is due to deficiency of:SeleniumZincCopperIron  <response>: Keshans Disease Deficiency of Selenium Se Affects: Children Women of child bearing age CLINICAL FEATURES: Cardiomyopathy Muscle weakness Hypothyroidism Eczema Increased risk of stroke Hypeension Cancer Selenium Sources- seafood and meat, nuts Deficiency - Keshans disease Toxicity - Selenium toxicity lead to Selenosis 