"Scientists discover why some people still can’t taste food after COVID-19" A study found that persistent taste problems after COVID-19 infection may result from damaged taste buds and reduced levels of a protein called PLCβ2. This disrupts signals to the brain, making sweet, bitter and savoury flavours harder to detect, while salty and sour tastes remain unaffected. Source: https://www.sciencedaily.com/releases/2026/10/261018205033.htm Study: https://academic.oup.com/chemse/article/doi/10.1093/chemse/bjaf068/8444736