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Letters Tomorrow’s world

Cosmic radiation may cause dementia

BMJ 2013; 346 doi: (Published 15 January 2013) Cite this as: BMJ 2013;346:f225
  1. Biji T Kurien, associate professor of research1
  1. 1University of Oklahoma Health Sciences Center, 1100 N Lindsay, Oklahoma City, OK 73104, USA
  1. biji-kurien{at}

Although space tourism,1 2 cooking in space,2 and ferrying cows (for biofuel and food purposes)2 to space are wonderful ideas, new research data show that galactic cosmic radiation might be more cause for concern …

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