It's not "a scientific fact". There's almost nothing in medicine that you can reduce to a strict binary, it's always more complicated than that. It's always fas

It's not "a scientific fact". There's almost nothing in medicine that you can reduce to a strict binary, it's always more complicated than that. It's always fascinatingly and amazingly complicated. In medical school a lecturer once began to ask me "Is it possible for..." - to which I already knew the answer was "Yes".