This is a special perk, so it cannot be taken at new levels like other perks. It can be obtained only by using the Auto-Doc in the Vault City courtyard, then selecting the option to 'ride again'. This lowers health by 4 points. An intelligence below 4 is needed to get it.
- -4 Hit Points
Trying to view this perk in the character sheet makes the game crash because its description's number points towards that of Alcohol Lowered Hit Points II.