ELI5 Phobia - what's the difference between a phobia and a fear?

ELI5 Explain Like I'm 5: Bite sized answers to stuff you should know about - in a mini podcast

What two fears are we all born with? What is the most common phobia? Why are phobias categorized as specific and social phobias? Who are some famous people with phobias?

... we explain like I'm five

Thank you to the r/explainlikeimfive community whose questions and comments formed the basis of this discussion.

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