Prolonged stress has long been shown to have major effects on the development of both type of diabetes mellitus, Type 1 and Type 2. Type 1 diabetes is an autoimmune disease that is characterized by the immune system attacking self-antigens. There is a failure or breakdown in immunological tolerance to allow this to happen. Prolonged physical or emotional stress can activate the hypothalamus-pituitary-adrenal (HPA) axis to induce production of the stress hormone glucocorticoid, causing abrupt thymus involution and result in escape of autoreactive T- cells. Though regulatory T-cells (Treg) are...