Europe’s healthcare systems are still focused on sickness, not prevention, even as its population become more interested in the latter. That’s the bet of Lucis, the Paris-based preventive health startup that has just raised a $20 million Series A round led by Singular Ventures. Its playbook includes biomarker testing, longitudinal data and an AI health companion. In this interview with Pathfounders editor Mike Butcher, Lucis co-founder and CEO Max Berthelot, says they plan to use the funding expand across Europe. And recounts the first time they met…