Parkinson's UK, which is funding the research, hope to find a link which could lead to earlier diagnosis. The charity estimates there are around … | more… https://www.google.com/url?rct=j&sa=t&url=http://www.shropshirestar.com/news/uk-news/2015/10/22/supersmeller-joy-can-sniff-out-parkinsons/&ct=ga&cd=CAIyHDQxMjEzYTNjZmYwOWZjYzQ6Y28udWs6ZW46R0I&usg=AFQjCNESi6IJ0g15mwqU57MOd1zxp3amvA