First Aid
First Aid is described as useful for occasional skill checks and as lowering addiction chance, though the guide does not identify crucial content gated by it.
How it works
The guide says companions can cover rare First Aid checks when present and states that no crucial content is hidden behind the skill if they are absent. It also says First Aid lowers the chance of addiction and suggests investing around 100 points once there are no better options. These are guide claims; no success or addiction formula is included.
Read the supporting references
A source-bounded reference to named skills and their described functions, constraints, and progression notes in the supplied community guide. It does not assess current balance or verify the guide against a particular patch. Guidance explains the referenced mechanics; it is not a tested damage ranking. Check the stated edition and source version before applying a patch-specific detail.