[Q] Vitamin D3 Regulation

[paul napolitano]

hi all,

i hope this is the right place for this...

i'm writing a research paper on vit D3, and was told that high 
concentrations of 1,25 dihydroxy vitamin D3 is detremental to one's 
health.  so my question is:  is this true?  if so, can anyone supply 
refrences.

thanks,

	_paul.