Single-use, retractable needles / needle-free injectors could be used in hospitals / developing countries / with drug users
Pinching finger knuckles' skin could be a test for dehydration
Developing countries could have less "brain drain" and/or create incentives for returning
The U.S. nurse / healthcare workers / doctors - patient staffing ratio and standards of care could improve
New parents could get infant training / check-ins after birth
Doctors and healthcare workers could better access mental health services
