Originally Posted by Tyger7
I think he's talking about the skill you earn that lets you do it. In Far Cry 3 it was a skill that let you heal without actually using medpacks. You would do an animation where you bandaged yourself up or relocated your joints in your hand. It didn't fill you up completely but it did help.
I don't think that exists in this game. I am level 30, finished with the story, and it still uses med packs or whatever you want to call them when I heal.