I'm A Doctor ― Here's The 'Traumatic' Reason Pencil Marks Stay In Your Skin

Don’t get me wrong, I’m glad I had no cause to get a cast as a kid ― but I have to admit I longed for the glamour of it. 

After all, certain wounds (including the graphite from a pencil getting embedded into your skin, usually after a fight) are childhood rites of passage.

But while a broken leg will re-set, for some reason, pencil nubs seem to stay visible in the skin years after the offence occurs. 

According to Dr Karan Rajan, who regularly shares his professional knowledge on TikTok and in his book...