There are four major types of thyroid cancer: papillary, follicular, medullary, and anaplastic thyroid cancer. Tumors on the thyroid are referred to as
Rickets is caused by a deficiency of vitamin D, calcium or phosphate. Infants and children who are exclusively breastfed, have dark skin, and infants born
Certain behavioral, lifestyle, and environmental factors contribute to cancer. Cancer prevention involves modifying these factors to decrease cancer risk.