Mention whether the following statements are true (T) or false (F) Goitre is endemic in sub-Himalayan regions of India T/F
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Solution
Goitre is a swelling in the neck resulting from an enlarged thyroid gland.
A goitre may be classified either as nodular or diffuse. Nodular goitres are either of one nodule (unimodular) or of multiple nodules (multinodular).
The most common cause for goitre is iodine deficiency, usually seen in countries that do not use iodized salt.
The soils and waters of the Himalayas are so lacking in natural iodine that even the goats develop goitres, the enlargement of the thyroid gland that is the body's adaptation to the deficiency. Hence, Goitre is endemic in the sub-Himalayan regions of India.