Antioxidant Defenses Predict Long-Term Survival in a Passerine Bird

Abstract excerpt

BACKGROUND: Normal and pathological processes entail the production of oxidative substances that can damage biological molecules and harm physiological functions. Organisms have evolved complex mechanisms of antioxidant defense, and any imbalance between oxidative challenge and antioxidant protection can depress fitness components and accelerate senescence. While the role of oxidative stress in pathogenesis and...

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