Nature Podcast
Smoking changes your immune system, even years after quitting
Feb 14, 2024
Smoking's long-term effects on immunity, T-cell response lingers after quitting; Purple smoke from ancient gold explosive, altruistic act by a male elephant seal; Tracking fake papers through authorship analysis; Discovery of ocean on a moon of Saturn
21:35
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Quick takeaways
- Smoking has long-lasting effects on the immune system, particularly on T cell responses, even years after quitting.
- A new authorship analysis method can help identify fake papers, providing a solution to the ongoing problem of fraudulent research.
Deep dives
Long-Lasting Effects of Smoking on Immunity
New research reveals that smoking has long-lasting effects on the immune system, even years after quitting. Smoking impacts the inflammatory response to bacteria, but this effect is lost after quitting. However, the impact on T cell responses is maintained, even many years after quitting smoking. The study also found associations between smoking and other factors like cytomegalovirus infection and BMI that affect immune responses. Understanding these effects can shed light on various diseases that may be impacted by smoking.
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