Hypothyroidism is a condition caused by failure of thyroid glands in producing thyroxine and triiodothyronine, which are known as thyroid hormones. This thyroid gland dysfunction is usually caused by lack of iodine, which is the main mineral and nutrient that contributes to increased thyroid hormone production. Hypothyroidism is a condition characterized by several symptoms such as goiter, brittle fingernails, weight gain, hair loss, dry and itchy skin, sleepiness, joint pain, decreased libido especially in men and a lot more. These symptoms can affect not only the physical appearance of an individual but also his or her psychological, emotional, cardiovascular, neurological aspects of life.
