Our sense of smell is deeply linked to our emotions, due to the connections between the tissue structures that identify odors and the <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5039451/">parts</a> of the brain that govern our memories and feelings. But what if those smells are linked to traumatic memories? Researchers are finding success using a combination of artificial scents and virtual reality to treat people with severe cases of trauma. WSJ’s Danny Lewis examines how new innovations could make this therapy more accessible.

Further reading: 
<a href="https://www.wsj.com/articles/high-tech-smell-sensors-scientists-develop-11657914274">High-Tech Smell Sensors Aim to Sniff Out Disease, Explosives—and Even Moods - WSJ</a> 
<a href="https://www.wsj.com/articles/the-metaverses-effects-on-mental-health-trivial-or-troubling-11641740414">The Metaverse’s Effects on Mental Health: Trivial or Troubling? - WSJ</a> 
<a href="https://www.wsj.com/articles/halloween-smells-haunted-houses-scary-11666709067">The New Halloween Scare: ‘Oh, My God, That Smell Was Gross.’ - WSJ</a> 
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