Do you have a source for this? From my experiences, healthcare advice is designed for the most likely scenario given an imaginary average person- and it is inc

Do you have a source for this? From my experiences, healthcare advice is designed for the most likely scenario given an imaginary average person- and it is incredibly important to take an active role in conversations with medical professionals (I suppose unless you happen to be perfectly average in every way and experiencing the most likely ailment given your description).