Hypothyroidism is a condition in which your thyroid is not making enough thyroid hormone, specifically triiodothyronine (T3) and thyroxine (T4).
While a lot of people might not see symptoms in the earlier stages, this condition can lead to obesity, joint pain, infertility and heart disease.
If you're trying to heal your thyroid naturally, there are certain foods that you will want to avoid, mainly most foods containing goitrogens.
Goitrogens are substances that inhibit the production of thyroid hormones, something you definitely don't want if you already have an under-active thyroid.
Here is an infographic of some of the worst offenders when it comes to foods that contain goitrogens.