User blog comment:Le Rottweiler/How do these 2 powerups function?/@comment-1496755-20151206145242/@comment-26005008-20151207095721

I’m thinking that maybe it contains a grand quantity of medical equipment. That would explain why the box is so large. It may contain narcotics that make somebody more durable (for a while). Narcotics would explain why the health decays over time.

Medical kits healing you instantly sounds reasonable from a common sense point of view, but not from a realistic point of view. Even if he could apply all of the fixes instantaneously, he would not heal immediately. He’d have to wait days for his body to regenerate. Furthermore, medical kits can only do so much. Medical students would probably laugh at the idea of first‐aid kits healing serious trauma caused by grenades.