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Reactive oxygen species (ROS) are highly reactive molecules containing oxygen. They can damage cellular components such as DNA, proteins, and lipids.
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Antioxidants: Molecules that neutralize reactive oxygen species to prevent cellular damage.
Oxidative Stress: A condition resulting from an imbalance between ROS production and antioxidant defenses.
Superoxide Dismutase: An enzyme that helps break down potentially harmful oxygen molecules in cells.