Iodine is an essential mineral that the body needs.

Your thyroid gland uses it to make thyroid hormones, which help control growth, repair damaged cells and support a healthy metabolism.

Unfortunately, up to a third of people worldwide are at risk of an iodine deficiency.

In this video we're looking at 5 signs and symptoms to look out for.

Further reading: https://www.healthline.com/nutrition/...

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Studies mentioned:

STUDY 1: https://www.ncbi.nlm.nih.gov/pmc/arti...
STUDY 2: http://www.thetrp.net/article.asp?iss...
STUDY 3: https://www.ncbi.nlm.nih.gov/pubmed/2...