What is Selenium deficiency causes: and explain in detail?
Ans. (c) Keshan disease* Keshan disease is an endemic cardiomyopathy found in children and young women of Chinese regions due to dietary deficiency of selenium.* Kashin beck disease: Occurs due to selenium toxicity/selenosis. It is characterized by hair loss, brittle nail, garlic breath odor, rashes, myopathy and nervous system abnormality.