Fox News Flash top headlines are here. Check out what's clicking on Foxnews.com. "Stop and smell the roses" may actually be important when it comes to detecting your risk for dementia and getting early treatment for the condition, according to a new study. A study out of the University of California San Francisco found that older Americans who can identify odors like roses, lemons, onions, paint-thinner, and turpentine may have half the risk of developing dementia compared to those with significant sensory loss, according to researchers performing the study. "The olfactory bulb, which is critical for smell, is affected fairly early on in the course of the disease," said first author Willa Brenowitz, Ph.D., of the UCSF Department of Psychiatry and Behavioral Sciences and the Weill Institute for Neurosciences, in a statement.