doctors use dogs for health problems instruments?

Question

cancer and brain wave normalty in people they been treading.

Answer 1

I'm not sure what your question is, but if it is about dogs being trained to 'sniff' out certain types of cancer in humans . . than, yes, I've heard about it. Very interesting.

Can Dogs Sniff out Cancer?
http://www.cbsnews.com/stories/2005/01/06/60minutes/main665263.shtml

Dogs sniff out cancer
http://www.scienceagogo.com/news/20060005201345data_trunc_sys.shtml

Cancer dogs
http://scienceline.org/2007/01/17/ask-westly-cancerdogs/

Dogs smell cancer in patients breath
http://news.nationalgeographic.com/news/2006/01/0112_060112_dog_cancer.html