foist. 1  to force upon or impose fraudulently or unjustifiably (usually followed by on or upon): to foist inferior merchandise on a customer. 2  to bring, put, or introduce surreptitiously or fraudulently (usually followed by in or into): to foist political views into a news story.
Iodine enters the body through iodine-rich foods, including certain salts (âiodized saltâ), eggs, sea vegetables and fish. We rely on iodine to create thyroxine (T4 hormone) and triiodothyronine (T3), two of the main hormones produced by the thyroid that control numerous important functions.
Good sources of iodine. Iodine is a trace element found in seawater, rocks and some types of soil. Good food sources include sea fish and shellfish. Iodine can also be found in plant foods, such as cereals and grains, but the levels vary, depending on the amount of iodine in the soil where the plants are grown.odine is a trace element found in seawater, rocks and some types of soil. Good food sources include sea fish and shellfish. Iodine can also be found in plant foods, such as cereals and grains, but the levels vary, depending on the amount of iodine in the soil where the plants are grown.