Question

Goitre is generally not found in people living in coastal areas. why?

Answer 1

A low amount of thyroxine (one of the two thyroid hormones) in the blood,due to lack of dietary iodine to make it, gives rise to high levels of thyroid stimulating hormone (TSH), which stimulates the thyroid gland to increase many biochemical processes; the cellular growth and proliferation can result

This is because goitre is caused due to the deficiency of iodine in the diet and people living in coastal areas mainly feed on sea foods which contain sufficient amount of iodine. So, they usually not suffer from goitre.

Answer 2

Answer:

Goitreis caused due to the deficiencyof iodine.

Explanation:

People living in coastal regions mainly feed on sea food which contains sufficient amount of iodine. So people living in coastal rgions don't usually suffer from goitre