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J Clin Pathol. 2001 Mar;54(3):176-86.

Antioxidants in health and disease.

Author information

1
Department of Clinical Biochemistry, Institute of Clinical Science, Belfast, Northern Ireland, UK. I.Young@qub.ac.uk

Abstract

Free radical production occurs continuously in all cells as part of normal cellular function. However, excess free radical production originating from endogenous or exogenous sources might play a role in many diseases. Antioxidants prevent free radical induced tissue damage by preventing the formation of radicals, scavenging them, or by promoting their decomposition. This article reviews the basic chemistry of free radical formation in the body, the consequences of free radical induced tissue damage, and the function of antioxidant defence systems, with particular reference to the development of atherosclerosis.

PMID:
11253127
PMCID:
PMC1731363
DOI:
10.1136/jcp.54.3.176
[Indexed for MEDLINE]
Free PMC Article

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