Breathing pure oxygen causes cellular toxicity and tissue damage over time
the verdict
SUPPORTED
the evidence backs this
confidence 86/100
Extensive scientific literature confirms that excessive exposure to high concentrations of oxygen causes cellular toxicity, reactive oxygen species generation, and progressive tissue damage.
Evidence for · 8
Neuroprotective Effect of Dexmedetomidine on Hyperoxia-Induced Toxicity in the Neonatal Rat Brain
2015 · cited by 57
Demonstrates that hyperoxia induces neurodegeneration and oxidative stress in the neonatal rat brain.
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More for · 7
Experimental Models of Acute Lung Injury to Study Inflammation and Pathophysiology: A Narrative Review.
2026 · cited by 2
Discusses hyperoxia-induced acute lung injury and associated pathophysiological tissue damage.
Endothelial MLKL Inhibition Reduces Hyperoxia-Induced Bronchopulmonary Dysplasia in Neonatal Mice.
2026 · cited by 1
Shows that hyperoxic conditions cause vascular endothelial cell death and lung injury resembling bronchopulmonary dysplasia.
Caffeine, MitoQ, and GABA Prophylaxis of Mitochondrial Dysfunction Induced in Human Pulmonary Cells by Normobaric–Hyperoxia and Hyperbaric–Hyperoxia
2025 · cited by 1
Indicates that normobaric and hyperbaric hyperoxia induce pulmonary oxygen toxicity and cellular mitochondrial alterations.
Impact of Supplemental Oxygen on Cardiovascular Physiology.
2026 · cited by 0
Finds that excessive supplemental oxygen exposure promotes reactive oxygen species and oxidative stress, leading to tissue damage.
Dexmedetomidine Preserves Hippocampal Neurogenesis During Recovery from Neonatal Hyperoxia in Rats.
2026 · cited by 0
Reports that neonatal hyperoxia triggers permanent apoptotic cell death and tissue loss in the developing brain.
CB2 receptor agonist JWH133 attenuates hyperoxia-induced acute lung injury by inhibiting ferroptosis via GPX4 upregulation.
2026 · cited by 0
Examines how hyperoxia exposure leads to acute lung injury through oxidative stress and ferroptotic cell death.
Macrophage Phenotypic Plasticity and Inflammatory Mechanisms in Hyperoxia-Induced Lung Injury.
2026 · cited by 0
Notes that hyperoxia-induced lung injury is driven by oxidative stress causing inflammation, cellular senescence, and pyroptosis.