Since World War II the federal government has researched, regulated, and managed nuclear production and disposal. If you’ve benefited from nuclear power and nuclear medicine but never lived in fear of radiation poisoning, you can thank government for it.
Safer
Public Health and Disease Control
If you’ve never had tuberculosis, smallpox, or polio, if you live in a healthier environment than your great-grandparents could ever have imagined, if you have reasonable hopes for vaccines for AIDS and Covid-19, you can thank government for these things.