Episode Details

Researchers at Johns Hopkins Medicine reveal that smoking and secondhand smoke accelerate age-related eye damage, particularly in younger individuals. The study shows that smoke alters gene expression in eye cells, weakening them and reducing their stress tolerance. The team found that the same genes shift in both mice and human eye tissue. Smoking is linked to serious health issues, with smokers facing four times the risk of vision loss and blindness compared to non-smokers. A separate study warns that even light smoking poses major heart risks, emphasizing the importance of quitting for long-term eye and heart health.

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