english: The biggest hurdle they're facing is their habituation to risks: all the physical, detectable and emotional functional changes that drive and control and influence their over-the-top risk-taking.
non_english: Hun grootste probleem is  hun gewenning aan risico's: alle fysieke, meetbare en emotionele functionele veranderingen die hun overdreven risicogedrag sturen,  controleren en beïnvloeden.