Imagine you’re at a family gathering, and suddenly, a loved one collapses. Panic sets in, and you are completely unsure of what to do. However, you cannot help someone unless you have formal training.

From half-used gauze rolls to expired antibiotic ointments, most American first aid kits have one thing in common: They’re woefully out of date. These kits are meant to be our go-to solution for minor ...