For most patients, the loss faded within weeks or months. But for a smaller group, taste never fully returned. Even years after infection, certain flavors remain muted or completely absent.

Researchers identify a reduction in the PLCβ2 protein as the cause for long-term sweet, bitter, and umami taste loss in post-COVID patients.

Learn how researchers may have finally uncovered why some people experience long-lasting taste loss after COVID-19.

Biopsies from people with persistent post-COVID-19 taste disturbance have revealed reduced expression of a key signalling ...

A new study from Sweden’s Karolinska Institute found that the brain’s taste cortex responds not only to flavors on the tongue but also to aromas that reach the nose while eating, known as retronasal ...

Scientists have identified molecular and structural changes in taste buds that may explain why a small subset of people experience long-term taste loss after COVID-19 infection. The study, published ...

New sensory nutrition research reveals how bitter foods like dark chocolate may sharpen memory and attention through taste-triggered brain activation.