Final answer:
Iodine is added to table salt for its important role in our health, specifically in the production of thyroid hormones. This helps prevent iodine deficiency and related health issues.
Step-by-step explanation:
The iodine added to table salt, known as iodized salt, serves an important function in our health. Iodine is a necessary nutrient that our bodies need for the production of thyroid hormones, which regulate various bodily functions, including metabolism. By adding iodine to salt, it helps to prevent iodine deficiency, which can lead to thyroid problems and intellectual disabilities.