Thanks in part to the many contributions Americans have made to science, medicine, and engineering.
When the United States was founded in 1776, life was shorter, harder, dirtier, darker, and far more dangerous. A child born in the late 18th century could expect, on average, to live roughly 35 to 40 years. That number is somewhat misleading, because it was dragged down by brutal infant and childhood mortality. If a person survived into adulthood, he or she had a much better chance of living into the late 50s, 60s, or beyond.
Still, the contrast is extraordinary. Today, American life expectancy is close to 80 years. In less than 250 years, the average American lifespan has roughly doubled.
That did not happen by accident. It happened because human beings learned how to defeat old enemies: infection, contaminated water, childbirth fever, surgical shock, foodborne disease, cold, heat, darkness, and distance. And Americans played a major role in turning that knowledge into practical, mass-scale civilization.
Start with clean water. Few modern conveniences have done more to save lives than the humble pipe. Running water, sewage systems, filtration, chlorination, and municipal sanitation helped defeat diseases that once swept through towns and cities with terrifying ease. Typhoid, cholera, dysentery, and other waterborne killers did not disappear because people became morally superior. They disappeared because engineers, doctors, scientists, and public officials built systems that separated drinking water from human waste.
That is not glamorous, but it is one of the great triumphs of modern life.
Then came electricity. Electrification did not just give Americans lightbulbs and appliances. It transformed hospitals, food storage, manufacturing, communications, transportation, and public safety. Electricity made refrigeration widely available, preserving food and medicine. It powered ventilators, incubators, surgical lights, imaging machines, monitors, laboratories, and emergency rooms. A world with reliable electricity is a world where doctors can do more, hospitals can function around the clock, and ordinary families can live with a level of safety unimaginable to the founding generation.
Modern medicine added its own miracles. Vaccines turned some of childhood’s most feared diseases into memories. The American campaign against polio, powered by the work of Jonas Salk, Albert Sabin, researchers, donors, and families across the country, stands as one of the great public health victories of the 20th century. Antibiotics transformed infections from death sentences into treatable conditions. American universities, laboratories, hospitals, pharmaceutical firms, and biotech companies helped build the modern medical arsenal: antibiotics, heart drugs, cancer therapies, insulin advances, medical devices, genetic testing, imaging, transplant medicine, and more.
And we should not forget anesthesiology. Before anesthesia, surgery was agony. It had to be fast, limited, and often desperate. In 1846, the public demonstration of ether anesthesia at Massachusetts General Hospital helped open the door to modern surgery. Once patients could be safely put under, surgeons could operate with greater precision. Over time, anesthesiology became not merely pain control, but a sophisticated medical specialty involving breathing, circulation, monitoring, intensive care, obstetrics, trauma, and survival itself.
Think about what that means. A person in 1776 could die from a tooth infection, contaminated water, childbirth, a burst appendix, a broken bone, pneumonia, or a wound that became infected. Today, many of those conditions are treatable, survivable, or preventable.
America did not invent every piece of modern life alone. Science is cumulative and international. But the United States has been one of history’s greatest engines for turning discovery into abundance. American capitalism, research universities, private industry, public health agencies, inventors, philanthropists, doctors, engineers, and entrepreneurs helped bring lifesaving advances out of laboratories and into daily life.
That is the American story at its best. Not perfection. Not utopia. Progress.
The country founded in 1776 began in a world of candles, outhouses, horse travel, and surgery without reliable anesthesia. In only 250 years, Americans helped build a world of clean water, electric hospitals, vaccines, antibiotics, safe surgery, emergency medicine, and medical research powerful enough to peer into the human genome.
The average lifespan doubled because civilization advanced. And America, for all its flaws, has been one of civilization’s great builders.
(Contributing writer, Brooke Bell)