Joy Milne, 72, was able to sniff out Parkinson’s in her husband 12 years before he was diagnosed, because the way he smelled changed. She is pictured above with late husband Les.Joy Milne, 72, was able to sniff out Parkinson’s in her husband 12 years before he was diagnosed, because the way he smelled changed. She is pictured above with late husband Les.Read MoreHealth News | Mail Online