This is kinda game-breaking, I have found a way of getting infinite health. I think it has to do with the way the game resets a certain area after saving and reloading.
1. Get a Defence Upgrade Chip
2. Save
3. Restart Game
4. Go to the same place and the chip will have respawned.
I have tested it at the place near the starting area and at the Reasearch Facility Hub, working in both places.
