Healthier: Fifty Thoughts on the Foundations of Population HealthFifty essays on the state of population health from a vanguard voice in the field Public health can rightly claim its share of victories: healthier cities, widespread sanitation, broader availability of nutrient rich food, and reductions in violence and injury. But for all these gains, today we face a new set of challenges, ones complicated by political and professional shifts that threaten to fundamentally change the health of populations. Healthier