Assertion: salt's iodine | /r/HasProperty | critical
Facets:
value: for proper health
type: PURPOSE
value: in the first years of life
type: TEMPORAL
Source sentences:
text: Iodine is critical in the first years of life, extraordinarily important up to 3 or 5 years of age.
text: Due to its important role in fetal and infant development and thyroid hormone production, iodine is a critical nutrient for proper health at all life stages.