Iodine Essay

This essay has a total of 686 words and 4 pages.

Iodine



Iodine is an essential macromineral. Almost half the iodine is found in the
thyroid gland which is located in the throat. Iodine is an important component of
thyroid hormones, which control energy, metabolism in the body as well as the
body’s temperature, reproduction, and growth. It is not found in the body so it is
very important that you get about .15 mg. daily. Some foods such as vegetables,
grains, table salt, dairy products, and especially seafood are the best sources of
iodine. Breathing in sea air everyday will give you a sufficient amount of iodine
to prevent a disease called goiter. There are two types of goiter: toxic and
simple. Toxic goiter is caused by excess of thyroxin secretion. Symptoms may
include rapid heart beat, tremor, increased sweating, increased appetite, weight
loss, weakness, and fatigue. Other symptoms may include eye problems such as
staring or protrusion. Goiter affects over 200 million people throughout the
world. 96% is caused by iodine deficiency. Goiters are rare in the U.S. and other
industrialized countries because iodine is now added to table salt.
Iodine affects body functions too. Hair and nail growth are affected by
iodine. The brain, skin, speech, teeth, energy production, metabolism, and
physical & mental health development are dependent on a well-functioning
thyroid gland. Deficiency symptoms include dry hair, goiter, intellectual
disability, paused growth, irritability, nervousness, and obesity. If a pregnant
woman takes iodine during pregnancy, the development of goiter will be
decreased for both the mother and the child. Iodine is the most efficient
treatment for children who have goiter.
Iodine does have a down side to it, too. It is not toxic up to 2,000 mcg
daily, but it may cause acne. Too much iodine is can link to thyroid cancer.
Some people are sensitive to iodine and may break out in a rash if their iodine
intake is excessive. The rash looks like a lot like acne. It disappears when the
iodine intake is reduced. Most of the illnesses related to iodine occur on all
continents and to people of all ages. People who mostly avoid dairy, seafood,
processed food, and iodized salt can become deficient. Iodine deficiency can
cause low thyroid function, goiter, cretinism. Some people who are overweight
mistakenly blame their overweight condition on an under active thyroid gland. In
the hopes of speeding up their metabolism, they may start taking a supplement
or eating sea salt or seaweed. But in very large amounts, iodine can be
poisonous.
Iodine is used to treat cuts and scrapes on the skin. The human thyroid
gland secretes an iodine-bearing hormone called thyroxin. The body needs
iodine as an iodine deficiency causes thyroid trouble. Most table salt is now
"iodized" to supplement the diet. As well, iodine is found in seafood. Iodine is
only needed in trace amounts. A good source of this mineral is kelp. Iodine
helps to metabolize excess fat and it is very important for both mental and
physical health. Iodine deficiency in children can cause mental retardation. In
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