Assertion: iodine | /r/HasProperty | needed for human health
Facets:
Source sentences:
text: It is well known that iodine is needed for human health and that lack of adequate iodine relates to less than optimal health.
text: Iodine may be harmful when consumed in high quantities, although it is needed for human health when found in plants like algae or in fish, as it helps promote thyroid function.