It's best to ignore those individuals who are "vexations to the spirit". However, I suppose you could suggest that she get on OCF and start her own thread so she can get the information she needs to be a help to her Dad and to you?

Anne-Marie
CG to son, Paul (age 33, non-smoker) SCC Stage 2, Surgery 9/21/06, 1/6 tongue Rt.side removed, +48 lymph nodes neck. IMRTx28 completed 12/19/06. CT scan 7/8/10 Cancer-free! ("spot" on lung from scar tissue related to Pneumonia.)