 Part of the challenge is that there are multiple varieties of  Reductionism in Biology.  And there are a number of different reductionism disputes in biology, and the overlaps with biomedicine vary—e.g., Rosenberg’s defense of reductionism in genetics overlaps with biomedicine in the area of medical genetics (Rosenberg 2006). As discussed in  Section 1,  it is very difficult to tell the difference between the core components of biomedicine and the bits of philosophy/technology/sociology that aren’t inherently part of biomedicine, but have gotten tangled up in it. The rationale for reductionism in biomedicine is explained with great care by Andersen: