You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is "Goitre is prevalent at higher altitude", is an example of - and explain in detail?
Endemic goiter is generally found in high altitude showing thereby an association between altitude and endemic goiter. We know that endemic goiter is not due to altitude but due to environmental deficiency of iodine. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 96