The Intelligence from The Economist The Intelligence from The Economist

Working memory: the surprising decline of dementia

Jul 30, 2026 · 25m

Summary

The Intelligence explores the surprising decline in dementia rates, discussing modifiable risk factors like lifestyle changes and the shingles vaccine. It also examines the controversy over Brazil’s PIX payment system, which has become a target of US tariffs and a symbol of national pride. Finally, the episode covers the massive resurgence of emo music, highlighted by My Chemical Romance’s sold-out Wembley Stadium tour.

Topics discussed

Sponsor: BackMarket refurbished tech Surprising decline in global dementia rates Why dementia projections were wrong Genetic risk factors and APOE4 Lifestyle changes and Finnish research Modifiable risk factors and prevention The shingles vaccine and dementia risk Pharmaceutical interventions and GLP-1s Policy challenges in funding prevention Elon Musk interview teaser Brazil's PIX payment system explained Trump tariffs and accusations against PIX Why PIX is hard to replicate elsewhere Political impact of PIX controversy My Chemical Romance at Wembley Stadium The rise of the emo music revival Generational appeal of emo culture
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