Medicine
The Stratification of Health Outcomes Across Socioeconomic Gradients
Quick fact
In a landmark study of British civil servants, researchers found that even among white-collar workers who were not poor, life expectancy rose with each higher job grade—so a senior executive lived longer than a clerical worker, independent of classic risk factors like smoking.
Why this is interesting
Have you noticed that people with more money tend to live longer? But the real puzzle is that this isn't just about poverty—the gap appears at every step of the social ladder.