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Having the Chem Resistant perk means you're 50% less likely to develop an addiction to chems, like Psycho or Jet.— In-game description

Chem Resistant is a perk in Fallout: New Vegas.

Effects[]

Taking this perk grants a 50% reduction to the chance of becoming addicted to chems.

Notes[]

  • This perk pairs well with the Chemist, Old World Gourmet Dead Money, Brainless Old World Blues (add-on), and Day Tripper perks.
  • Combining this perk, Old World Gourmet, and Brainless results in a maximum 72% resistance to addiction.
  • The Logan's Loophole trait renders the perk obsolete as it completely eliminates the chance of addiction at the cost of locking the level cap at 30.
  • Due to the game's UMON system, regardless of taking the perk or not, the player character will still have a great chance of becoming addicted after using a given chem a certain number of times.
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