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apnea kills brain cells?

Thread Status: Hello , There was no answer in this thread for more than 60 days.
It can take a long time to get an up-to-date response or contact with relevant users.
Here're the links to the articles that MarcinB kindly left here:

1. Ridgway L et al. Apnea diving: long-term neurocognitive sequelae of repeated hypoxemia. Clin Neuropsychol 2006;20(1):160-76.
Full text: https://www.performancefreediving.com/wp-content/themes/PFI/training_aids/ridgway mc farland 2006.pdf

2. Gren M et al. Blood biomarkers indicate mild neuroaxonal injury and increased amyloid beta production after transient hypoxia during breath-hold diving. Brain Inj 2016;30(10):1226-30.
Free abstract only: http://www.tandfonline.com/doi/abs/10.1080/02699052.2016.1179792?journalCode=ibij20

3. Mats H. et al. Hypoxic syncope in a competitive breath-hold diver with elevation of the brain damage marker S100B. Aviat Space Environ Med 2009;80(12):1066-8.
Full text: https://www.researchgate.net/public...th_Elevation_of_the_Brain_Damage_Marker_S100B

4. Andersson J. et al. Increased serum levels of the brain damage marker S100B after apnea in trained breath-hold divers: a study including respiratory and cardiovascular observations. 2009 J Appl Physiol 107:809-815.
Full text: http://jap.physiology.org/content/jap/107/3/809.full.pdf

5. Patricia Ratmanova1 et al. Prolonged dry apnoea: effects on brain activity and physiological functions in breath‑hold divers and non‑divers. Eur J Appl Physiol 2016;116(7):1367-77.
Free abstract only: http://link.springer.com/article/10.1007/s00421-016-3390-2

6. Kjeld T et al. Release of erythropoietin and neuron-specific enolase after breath holding in competing free divers. Scand J Med Sci Sports 2015;25(3):e253-7.
Free abstract only: http://onlinelibrary.wiley.com/wol1/doi/10.1111/sms.12309/full

7. Potkin R. et al. Brain function imaging in asymptomatic elite breath-hold divers. In: Lindholm P, Pollock NW, Lundgren CEG, eds. Breath-hold diving. Proceedings of the Undersea and Hyperbaric Medical Society/Divers Alert Network 2006 June 20-21 Workshop. Durham, NC: Divers Alert Network; 2006.
Full text at page 135: http://archive.rubicon-foundation.o...23456789/5612/UHMS-DAN_BH_2006.pdf?sequence=1

I've just looked through them and apperantly there's no definitive answer yet to wheather freediving sessions cause damage to the brain nor does it accumulate. Clearly to stay healthy one should avoid blackouts and dive with measure, but we all knew that, didn't we :)
 
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