How Does Smoking And Alcohol Abuse Cause Cataracts?

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Although older age is the primary risk factor for cataracts, researchers are still not certain about the exact biologic mechanisms that tie cataracts to aging.

Oxygen-Free Radicals (Oxidants) and Glutathione

Particles called oxygen-free radicals may be a major factor in the development of cataracts. They cause harm in the following way:

  • Oxygen-free radicals (also called oxidants) are molecules produced by natural chemical processes in the body. Toxins, smoking, ultraviolet radiation,...
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