A new residency-venture program helps to tackle one of the most pressing issues in the U.S. — healthcare.   Mary Minno, an investor and former product manager at Google, announced on Wednesday the launch of an early-stage startup accelerator program called Treehub and an early-stage venture firm called AI Health Fund , aimed at backing startups working at the intersection of healthcare and AI. The AI Health Fund is the venture arm of the Treehub residency, where founders apply to incubate their