By Tarun Sai Lomte Reviewed by Lauren Hardaker Oct 17 2025 MRI scans reveal that people who lose their sense of smell after COVID-19 show measurable changes in brain regions tied to emotion and sensory processing, offering new clues to the lingering effects of long COVID. Study: Alterations of the amygdala in post-COVID olfactory dysfunction . Image credit: Denys Kurbatov/Shutterstock.com In a recent study published in Scientific Reports , researchers investigated the structural integrity and

Tag-uri: Coronavirus