Cited by 734Animal Behavior and ReproductionParasite Biology and Host InteractionsPrimate Behavior and Ecology

Behavioral adaptations to pathogens and parasites: Five strategies

Hart, Benjamin L.·1990·Neuroscience & Biobehavioral Reviews

Abstract

The ever present threat of viral, bacterial, protozoan and metazoan parasites in the environment of wild animals is viewed as responsible for the natural selection of a variety of behavioral patterns that enable animals to survive and reproduce in this type of environment. Several lines of research, some quite recent, point to five behavioral strategies that vertebrates utilize to increase their personal or inclusive fitness in the face of parasites (broadly defined to include pathogens). These are: 1) avoidance of parasites; 2) controlled exposure to parasites to potentiate the immune system; 3) behavior of sick animals including anorexia and depression to overcome systemic febrile infections; 4) helping sick animals; 5) sexual selection for mating partners with the genetic endowment for resistance to parasites. The point is made that to consider a behavioral pattern as having evolved to serve a parasite control function the parasite or causative agent should be shown to adversely impact the animal's fitness and the behavior in question must be shown to help animals, or their offspring or group mates, in combating their exposure, or reducing their vulnerability, to the parasite.

Integrity signals

Registry

Crossref · 10.1016/s0149-7634(05)80038-7

Cites

289 of 289 references verified0 citation errors · 0 not checkable

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  • Tantra's counsel concerning the ingestion of pathogenic substances coupled with the practice of maximally suboptimal sexual intercourse with an out-of-caste partner is best explained by considering the evolutionary arms race between humans and their parasites and pathogens.

    “Tantra's counsel concerning the ingestion of pathogenic substances coupled with the practice of maximally suboptimal sexual intercourse with an out-of-caste partner is best explained, I argue, by considering the”

    From Disgusting Bodies, Disgusting Religion: The Biology of Tantra (2011) · cites this paper as Hart 1990

  • Consanguine sexual intercourse prevents the generation of a novel immune system in the offspring.

    “Consanguine sexual intercourse prevents the generation of a novel immune system in the offspring.”

    From Disgusting Bodies, Disgusting Religion: The Biology of Tantra (2011) · cites this paper as Hart 1990

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Authors
Hart, B. L.
Affiliations
University of California, Davis (US)
Corresponding author
Hart, Benjamin L.
Venue
Neuroscience & Biobehavioral Reviews
Publisher
Elsevier BV
Published
1990-09
Volume
14
Issue
3
Pages
273-294
ISSN
0149-7634 (ISSN-L)
OpenAlex
W2122995853
Cited by
734
References
294
Citations by year
2026: 11 · 2025: 23 · 2024: 25 · 2023: 22 · 2022: 25 · 2021: 32 · 2020: 23 · 2019: 26 · 2018: 34 · 2017: 25 · 2016: 43 · 2015: 51 · 2014: 34 · 2013: 21 · 2012: 33
FWCI
14.75
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience & Biobehavioral Reviews (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (2s07rr005457-29)
  • National Center for Research Resources (RR05457)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
  • Physical Sciences › Environmental Science › Ecology › Parasite Biology and Host Interactions
  • Social Sciences › Psychology › Social Psychology › Primate Behavior and Ecology
Keywords
parasite avoidance, controlled exposure, immune potentiation, anorexia, fever, sexual selection, parasite resistance, inclusive fitness, natural selection, vertebrate behavior, host-parasite interactions
MeSH terms
Adaptation, Psychological, Animals, Bacterial Infections, Behavior, Humans, Parasitic Diseases, Virus Diseases

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