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E-cigarettes stress and inflame the lungs of rats, compromising important regulatory proteins through exposure, according to research [...] The findings, made possible by a biomolecular technique developed by researchers [...] reveal that vaping induces subtle structural changes in proteins, marking the first time researchers have measured such damage.

The results suggest that common compounds in the electronic alternative to conventional cigarettes are not without their own harms. After exposing rats to e-cigarette vapor for three one-hour sessions for three days, researchers discovered signs of oxidative stress: [...]