Here comes the tricky part of the question. IF one goes on any bisphosphonate, including Prolia, after taking Tymlos, Forteo or Evenity, how does one avoid the known risks of the biphosphonates that make them so disliked? I mean, is it possible to build new bone with a drug, take a bisphosphonate to 'protect against losing it' and then get hit with the well-known downsides of the anti-resorptive bisphosphonates? I haven't found any info or studies addressing the seeming dilemma.