- Pathology. deficiency of energy.
- Immunology. lack of immunity to an antigen.
"In a nation obsessed with cancer, the attribution of a vast preponderance of a major cancer to a single, preventable cause might have been expected to provoke a powerful and immediate response. But front-page coverage notwithstanding, the reaction in Washington was extraordinarily anergic."
- Siddhartha Mukherjee, The Emperor of All Maladies: A Biography of Cancer