Interetsting you should mention the chakras. Often there is an energy disruption, in the chakra, before a physical problem becomes apparent..or there is an energy blockage, alongside the physical issues with the associated chakra.
The thyroid is linked to the throat energy center (chakra) the associated colour is blue, and also the triple warmer meridian is assoicated with the thyroid.
There are quite a few simple techniques to clear the chakras..needs to be done almost daily..but it can be useful.
Donna Eden is worth reading if anyone wants to know more about chakras
She has an excellent book Enregy Medicine, available on amazon..