HUMAN NUTRITION

Detailed explanation-1: -The main symptom is an enlarged thyroid gland. The size may range from a single small nodule to a large mass at the front of the neck. Some people with a simple goiter may have symptoms of an underactive thyroid gland.

Detailed explanation-2: -Enlargement of the thyroid can expand the gland well beyond its typical size and cause a noticeable bulge in the neck. This can be caused by single or multiple nodules (lumps) in the thyroid or by an autoimmune process.

Detailed explanation-3: -A goiter is usually painless but may cause pressure-related symptoms, including: A feeling of neck fullness or tightness. Difficulty swallowing. Difficulty breathing.