Assertion: salt's iodine | /r/AtLocation | salt
Facets:
value: to prevent hypothyroidism
type: PURPOSE
value: to prevent goiter
type: PURPOSE
value: in 1924
type: TEMPORAL
value: sometimes
type: TEMPORAL
Source sentences:
text: Sometimes iodine is added to salt, because in many places in the world there is not enough iodine in food, which can cause problems for the thyroid gland
text: Iodine, a trace mineral, was added to salt in 1924 to prevent goiter and hypothyroidism,