The seminal plasma supports and protects spermatozoa from pathological levels of ROS through free radical scavengers such as ascorbate, alpha-tocopherol, uric acid, and ROS-metabolizing enzymes such as superoxide dismutase (against superoxide), catalase (against hydrogen peroxide), and glutathione peroxidase (against glutathione peroxide) [110]
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As close friends, older siblings and parents are also strong determinants of smoking during adolescents, [16] such educational programmes should not be limited to school children but through the implementation of community and mass media campaigns reach all members of society regardless of age and educational status
Research Professor, Applied Department
Increased risk of developing ocular complications such as cataracts, macular degeneration, and yellowing of the white part of the eye (known as the sclera)
