https://blogs.mercola.com:443/sites/vitalvotes/archive/2017/02/08/do-you-have-an-underactive-thyroid.aspxHow do you know if your thyroid is functioning properly? BBC.com took on that question recently, to talk about hypothyroidism, meaning you have an underactive thyroid. As noted, thyroid problems can be complicated, with symptoms ranging from unexplainedenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)