Example image of eyePlorer eyePlorer map for 'Deployment cost-benefit selection in physiology': Fitness (biology) Physiology Antioxidant Fever Immune system Iron deficiency Life history Infection Actuary Immunosuppression Trade-off Sexually transmitted disease BMR Hyperpyrexia Warm-blooded Pneumonia Sepsis Carotenoid DNA damage theory of aging Glutathione peroxidase Reactive oxygen species Senescence Superoxide dismutase Vitamin C Vitamin E Handicap principle Plumage Bacteria Host (biology) Human iron metabolism Iron deficiency anemia Iron supplements Health management system Subclinical infection Illness Placebo