Vocal folds. The vocal folds, also known commonly as vocal cords or voice reeds, are composed of twin infoldings of mucous membrane stretched horizontally, from back to front, across the larynx. They vibrate, modulating the flow of air being expelled from the lungs during phonation.
Some recent clinical studies show that vitamin D deficiency is closely related to thyroid problems. This article identifies the thyroid problems linked with vitamin D deficiency and discusses how vitamin D supplementation can help treat thyroid disorders.
âBut you have to be careful with supplementing iodine because too much can be problematic and actually cause hypothyroidism,â he says. Vitamin B. âVitamin B is important for people with hypothyroidism because the B vitamins have many interactions with thyroid function and hormone regulation,â Metzak says.