Oxidative damage increases with reproductive energy expenditure and is reduced by food-supplementation.
Fletcher QE, Selman C, Boutin S, McAdam AG, Woods SB, Seo AY, Leeuwenburgh C, Speakman JR, Humphries MM. Oxidative damage increases with reproductive energy expenditure and is reduced by food-supplementation. Evolution. 2013 May; 67(5):1527-36.