Chronic diseases account for roughly 90 percent of the United States’ annual health care expenditure, while global health care spending continues to climb as populations live longer with complex medical needs. Read More on EssaysThe shift can already be seen across the health care economy. Mosca’s perspective comes from spending decades inside health care, both as a provider and as a patient. Still, she argues that education remains one of the biggest challenges facing regenerative and longevity medicine. The concierge model, she says, allows health care professionals to better understand the individual behind the health concerns.