University of Wisconsin–Madison

Category: 1900–1919: Progressive era & early public health

The cost of racial violence

This study reveals the lasting toll of racial violence on Black Americans’ longevity. Researchers find that Black babies whose mothers were pregnant during a local lynching lived about 3.7 months less as adults, on average.

How early school laws boost lifespans across generations

This study finds that the first wave of compulsory schooling laws in the late 19th century not only increased parents’ education but also led to longer lives for their children decades later.

Safer births, stronger lives

This study finds that early exposure to state midwifery licensing laws in the early 1900s improved health later in life

Lead exposure and longevity loss

Exposure to lead in water pipes during early life significantly reduces later-life male longevity.

Health boost from hookworm control

The Rockefeller Sanitation Commission’s hookworm eradication campaign in the American South during the 1910s led to an increase of 1 month in later-life longevity for those fully exposed in early life.

Early care, longer life

Early-life exposure to County Health Departments (CHDs), which provided affordable healthcare in underserved areas, is linked to about 0.9 months of additional longevity for those exposed in-utero up to age 4.

The power of clean water

This study examines the long-term benefits of early-life exposure to city-wide water filtration systems introduced in 25 major American cities in the early 20th century.

The proof of life: how birth registration boosts longevity

This study is the first to link childhood exposure to birth registration laws with longer life in old age, estimating an intent-to-treat effect of 0.08 years (about 1 month) increase in lifespan.

The pest that helped kids live longer

This study explores how a devastating pest, the boll weevil, accidentally improved long-term health for children growing up in the early 1900s Cotton Belt.

The longevity of dry laws

This study examines the long-term health effects of early-life exposure to alcohol prohibition in the U.S.