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.
The Best Vitamins for Thyroid Health. Thyroid disorders can cause significant changes in metabolism and development in the body. There are drugs and herbs for treating thyroid disorders. However, it is possible to prevent hypothyroidism and hyperthyroidism by maintaining an excellent thyroid health. Thyroid health can be improved with vitamins.