Why cipro weakens tendons

Hi all,
I once promised that you guys would be among the first to know if a theory of mine worked out, and it appears that it has.  Ciprofloxacin and related antibiotics have some unexpected effects, including inhibiting the prolyl hydroxylase enzyme that crosslinks collagen.
For more details:
jbc.org/content/early/2015/07/23/jbc.M115.671222.short?rss=1
and follow the pdf file link for all the details.
Best wishes,
Doug53, now almost 60