It's very important to protect yourself from upper respiratory infections. The most common entry point of upper respiratory infections is the nose or mouth - typically, the nose is the most. That's why we've done all of this research is really looking at innate immunity as your barrier of defense. When we talk about innate immunity, that's something that you're born with. That's like your skin, your hair, your nails - something that you don't develop through life. When people, like now with COVID, talk about immunity and a strong immune system, they're really talking about an adaptive or a memory immune system, which is like antibodies and things. The thing that we've studied is the innate immune system and that's where the bitter taste receptors or T2Rs come into play.
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