Iodine deficiency during pregnancy may result in cretinism (mental retardation in children), deafness, autism, and delayed brain development and is the leading cause of preventable mental retardation. As the bodyâs iodine levels fall, hypothyroidism may develop, since iodine is essential for making thyroid hormone. While this is uncommon in the United States, iodine deficiency is the most common cause of hypothyroidism worldwide.
1 Practice nursing for a minimum of 960 hours during the previous five years. 2  Successfully complete an approved re-entry program within the two years preceding renewal. 3  Graduate from an OSBN-approved nursing program within the past five years.
How long does it take to become a nurse? The length of time it takes to become a nurse depends on what nursing degree you will study and the course load you want to take. It generally takes 1 to 2 years to become an LPN without an academic degree. An Associateâs Degree in Nursing generally takes 2 to 3 years. A Bachelorâs degree takes between 4 to 5 years. There are RN to BSN Programs and they generally take 2 to 3 years to complete.