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| ||For the chem in Fallout 4, see Day Tripper (chem).|
You've done enough chems to know how to hang on to the effects just a while longer. More specifically, ingested chems last 33% longer than they normally would.”— In-game description.
The player must take 25 addictive chems.
Grants 50 XP upon completion and the Day Tripper perk.
All chems and alcohol lasts 33% longer than they normally would.
- Drinking all types of alcohol also counts towards achieving this perk.
- If you have both the Day Tripper and Chemist perks, their effects multiply. For example, the healing effect of brahmin meat normally last for 15 seconds; with these two perks, it increases the duration up to 40 seconds. This is likely due to the game engine defining a chem as anything that can "wear off," which food does in the game.
- The increased duration of healing items does not show up in the list of effects for the items on the Pip-Boy.
- This perk also affects Stealth Boy duration. Having all affecting perks, Day Tripper, Chemist and Stealth Girl, significantly increases Stealth Boy duration up to 10 minutes 38 seconds.