If you heard your dermatologist talking about the “triangle of death”, you might be tempted to recommend they log out of social media and take a nice vacation – but this is no conspiracy theory. The triangle of death, less melodramatically known as the “ danger triangle ”, is a real term, and it refers to part of your face. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

The triangle in question is the nasolabial triangle. Draw two imaginary lines from the bridge of your nose to the corners of your mouth; your top lip forms the bottom of the triangle you’ve just created, and this is what we’re talking about.

The reason for the eldritch nickname is that an infection in this part of the face can, albeit very rarely, cause complication

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