This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics, Subject name: Pathology
Which of the following is not a hereditary disease- 
Select and explain. 
A. Neurofibromatosis, B. Cretinism, C. Huntingtons disease, D. Hereditary spherocytosis
B: Cretinism
Answer: B: Cretinism 
Explanation: Ans. is 'b' i.e., Cretinism Cretinismo Cretinism is a condition of severely stunted physical and mental growth due to untreated congenital deficiency of thyroid hormones (congenital hypothyroidism) usually due to maternal hypothyroidism. Thus cretinism is a non hereditary condition.