In a striking scientific paradox, a comprehensive meta-analysis has revealed that certain types of allergies may reduce the risk of developing one of the most lethal forms of cancer by up to a quarter.
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Researchers analyzed data from 10 studies involving 3.8 million participants, finding that individuals with conditions such as eczema and allergic rhinitis (hay fever) were significantly less likely to develop lung cancer.
The study concluded that those with these allergic conditions had up to a 25% lower risk of lung cancer compared to those without such allergies.
Notably, the protective effect was more pronounced in men with allergic rhinitis, while the same level of protection was not observed in women.
Contrary to earlier assumptions that allergy-induced inflammation might increase cancer risk, this new research suggests that allergies may enhance immune surveillance in the lungs. This could help the body detect and eliminate cancerous cells in their early stages, preventing them from developing into malignant tumors.
However, scientists caution against drawing premature conclusions. The exact mechanisms behind this inverse relationship remain unclear and require further investigation. Additionally, the study excluded asthma patients due to previous evidence linking asthma to an increased risk of lung cancer.
The research team emphasizes that more in-depth studies are needed to understand the underlying biological processes. Nonetheless, these findings may pave the way for new preventive strategies and treatments for lung cancer in the future.
Source: Mirror
