The document outlines hyperparathyroidism, highlighting primary and secondary types, with primary typically caused by benign tumors called parathyroid adenomas. Diagnosis involves elevated blood calcium and parathyroid hormone levels, with surgery being the primary treatment for primary hyperparathyroidism, while secondary is treated by addressing underlying calcium deficiencies. The New York Center for Advanced Parathyroid Surgery employs minimally invasive techniques for treatment, allowing for quicker recovery and less scarring.