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In 2007 researchers at Northwestern University published a report suggesting a possible correlation between vasectomy, primary progressive aphasia and frontotemporal dementia:
http://www.brain.northwestern.edu/pdfs/newsarticles/March2007_Tribune_Vasectomy.pdf
While the n was only 47, the hypothesis that vasectomy results in anti-sperm antibodies which may be neurotoxic seems plausable. The article ends commenting that the lead researcher planned to investigate whether their observation would bear out in a larger (and presumably more methodologically sound) study.
I'm interested to know if anyone has further information or thoughts on the issue.
http://www.brain.northwestern.edu/pdfs/newsarticles/March2007_Tribune_Vasectomy.pdf
While the n was only 47, the hypothesis that vasectomy results in anti-sperm antibodies which may be neurotoxic seems plausable. The article ends commenting that the lead researcher planned to investigate whether their observation would bear out in a larger (and presumably more methodologically sound) study.
I'm interested to know if anyone has further information or thoughts on the issue.
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