It seems like some readers/reviewers want to take this author too seriously. "Biohell" is not a serious book and neither was
War Machine (Combat-K), first book in this series.
They are rollicking, raunchy, violent irreverent space operas. "Biohell" takes place mostly on The City - an entire planet that in the past practiced unsafe sex (human and alien alike), all types of illegal activities, and was dedicated to pleasure and chaos.
Franco, one of the Combat-K "heroes" from "War Machine," has fallen in loooove and plans on marrying his sweetheart and giving up his perverted lifestyle.
Well, then the fun really starts - junks, zombies, biomods, nanobots, REALLY disgusting descriptions of an eight-foot tall zombiette, world invasions, the Hammer Syndicate, Knuckles and his gang, double and triple crosses, an upgraded Cam, weapons, weapons, and more weapons, AI killers, MICHELLE ma belle.
Are the science facts all correct in the book? I don't know. Did I really care while I was reading? Not so much. I just let myself be swept along in the Combat-K world. I enjoyed the book.