Antonyms for the term "Immunological Diseases" would be health, wellness, and vitality. These antonyms represent a state of being free from any diseases that affect the immune system. Unlike immunological diseases, they do not cause inflammation, allergies, autoimmune or immunodeficiency disorders, and are a result of a healthy immune system. Maintaining good health can be achieved by eating a well-balanced diet, exercising regularly, managing stress, getting enough sleep, and avoiding exposure to harmful substances. In addition to this, vaccines and regular checkups with healthcare providers can help prevent diseases and maintain good health.