What condition is associated with hyperthyroidism and a high metabolism?

Graves Disease is the correct association with hyperthyroidism and a high metabolism. This autoimmune condition leads to overproduction of thyroid hormones, resulting in increased metabolic activity throughout the body. Patients with Graves Disease often experience symptoms such as weight loss, increased heart rate, heat intolerance, and nervousness due to the enhanced metabolic processes driven by elevated thyroid hormone levels.

In contrast, Addison's Disease involves insufficient production of adrenal hormones, and does not elevate metabolism. Cushing's Syndrome is characterized by excess cortisol production, which can lead to weight gain and various metabolic issues, but is distinct from hyperthyroidism. Hashimoto's Thyroiditis, on the other hand, is an autoimmune disorder that typically results in hypothyroidism, causing a decrease in metabolism rather than an increase. Thus, the association of hyperthyroidism with Graves Disease distinctly highlights its role in enhancing metabolic functions.