Mexico City
Mentioned as a city with high air pollution, where studies on children have shown increased amyloid plaques in the brain, resembling an older brain.
Videos Mentioning Mexico City

What Happened to the Republican Party?: A Conversation with Bret Stephens (Episode #329)
Sam Harris
City where Bret Stephens was raised, mentioned as part of his personal background and a formative experience.

The Burnout Society: How The Modern World Is Stealing Young Peoples’ Future | Cal Newport
Cal Newport
The modern-day city that was once Tenochtitlan, a visual comparison was shown to indicate the transformation from the Aztec capital.

Dr. Michael Snyder on Continuous Glucose Monitoring and Deep Profiling for Personalized Medicine
FoundMyFitness
Mentioned as a city with high air pollution, where studies on children have shown increased amyloid plaques in the brain, resembling an older brain.

Thinking Differently About Addiction and Mental Health — Dr. Nora Volkow
Tim Ferriss
The city where Dr. Volkow was born, lived, and attended medical school, and where her family found asylum.

Dr. Rhonda Patrick Returns | The Tim Ferriss Show (Podcast)
Tim Ferriss
The location of a 2003 study where Alpha-GPC was shown to enhance cognitive performance in Alzheimer's patients.