Other mistake: When Ross drops Cook and Nikki off after he and Cook have spent the afternoon running errands and buying ingredients, Cook gets out of the car and goes straight into the motel room, without taking his ingredients with him.
Spun (2002)
1 other mistake - chronological order
Directed by: Jonas Akerlund
Starring: John Leguizamo, Mickey Rourke, Brittany Murphy, Mena Suvari, Jason Schwartzman
Factual error: The whole movie shows methamphetamine constricting their pupils. Methamphetamine is a central nervous system stimulant which dilates the pupils - the exact opposite of what is shown.
Trivia: Quite a few pop culture icons appear in this film such as Ron Jeremy who plays the bartender, Rob Halford of Judas Priest who plays the porn store clerk, Debbie Harry the lead vocalist of Blondie who plays the neighbor and of course Billy Corgan of the Smashing Pumpkins who plays the doctor.
Answer: They never mention age, as far as I can see, and I just watched it recently.