My Mother Started Getting Sick About 2 Years Ago When

My Mother started getting sick about 2 years ago when she was in florida, she had diaria for six months, doctors could not diagnose what was causing it, her veins enlarged in her hands and along her temples, again no diagnosis, we believe at this time that she was slowly being poisoned by her friend, my mother is wealthy and this person gained power of attorney and ended up putting her in an assisted living facility where she had cognitive problems more diaria, short attention span, anger episodes, I've since took her out of the facility a month ago, she has gotten better in this short period of time, we have an attoreney andthe woman has been found so far to have embezzled a quarter of a million dollars from my mom, we suspect she was poisoned over a period of two years and are proceeding to put this woman in jail, I believe it was some type of heavy metal poisoning , what do you think, Mark