Question

A person lives in a hilly area. The drinking water and food is grown in this area are poor in a mineral ‘P’. the deficiency of ‘p’ in the body causes an abnormal enlargement of gland ‘Q’ leading to a disease ‘R’ however, does not occur in the people living in coastal areas.

Why does ‘R’ not occur in coastal areas?

Answer 1

1. In the coastal area, people consume seafood and those fishes and other seafood are very rich in Iodine content.
2. Therefore the disease R, i.e. Goiter does not occur in coastal regions.

Goiter:

1. Goiter is caused due to the lack of iodine in the diet.
2. The thyroid present in our throat swells up.
3. Goiter is more common in people living in hilly or inland regions, where iodine is lacking in water and vegetables grown in those areas.