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Isogenic mutants deficient in the activities of thioredoxin (54), catalase (KatA) (55), NADPH quinone reductase (56), and superoxide dismutase (46) are sensitive to host colonization and susceptible to oxidative damage
Smoking, alcohol, and UV exposure (promote collagen breakdown), heavy sugar consumption (causes glycationstiffening of collagen fibers), and chronic stress (elevates cortisol, which breaks down collagen)
Avoid vigorous agitation
Adequate zinc intake is directly relevant: zinc is essential for testosterone synthesis, and deficiency is associated with reduced testosterone levels
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