Your immune system helps protect your body from foreign or harmful substances. Examples are bacteria, viruses, toxins, cancer cells, and blood or tissues from another person. The immune system makes cells and antibodies that destroy these harmful substances.
AGING CHANGES AND THEIR EFFECTS ON THE IMMUNE SYSTEM
As you grow older, your immune system does not work as well. The following immune system changes may occur:
PREVENTION
To decrease the risks from immune system aging:
OTHER CHANGES
As you grow older, you will have other changes, including in your:
McDevitt MA. Aging and the blood. In: Fillit HM, Rockwood K, Young J, eds. Brocklehurst's Textbook of Geriatric Medicine and Gerontology. 8th ed. Philadelphia, PA: Elsevier; 2017:chap 24.
Tummala MK, Taub DD, Ershler WB. Clinical immunology: immune senescence and the acquired immunodeficiency of aging. In: Fillit HM, Rockwood K, Young J, eds. Brocklehurst's Textbook of Geriatric Medicine and Gerontology. 8th ed. Philadelphia, PA: Elsevier; 2017:chap 93.
Walston JD. Common clinical sequelae of aging. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 22.
BACK TO TOPReview Date: 7/21/2022
Reviewed By: Frank D. Brodkey, MD, FCCM, Associate Professor, Section of Pulmonary and Critical Care Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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