Four percent of left-handed women lack an olfactory bulb but can appreciate a flower’s perfume, according to analysis of data in a public repository. Credit: Dan Kitwood/Getty Neuroscience 06 November 2019 The women who lack an odour-related brain area — and can still smell a rose . The olfactory bulb was considered crucial for a sense of smell, but a chance discovery challenges the dogma.Share on Twitter. Share on Twitter . Share on Facebook. Share on Facebook...