In this journal club episode, we break down the recent findings from a landmark (in my opinion) study on the associated risks between caffeine consumption and dementia risk. Spoiler alert! More coffee might actually be protective against dementia; however, we need to take these findings with a grain of salt (or creamer) and understand how the nuance of this information can help both our lives and our understanding of neurodegenerative diseases.
Resources:
Zhang Y, Liu Y, Li Y, et al. Coffee and Tea Intake, Dementia Risk, and Cognitive Function. JAMA. 2026;335(11):961–974. doi:10.1001/jama.2025.27259
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Produced by Dr Glaucomflecken & Human Content
Get in Touch: howtobepatientpod.com
Chapters:
00:00 Wine Myth and Welcome
00:39 Journal Club Setup
01:43 News Anchor Banter
02:52 Caffeine Icebreaker
08:25 Paper Intro and Break
10:12 Study Design and Cohorts
19:24 Measures and Confounders
25:56 Results and Person Years
30:50 Decaf Results Breakdown
31:31 P Values Explained Simply
33:15 So Is It Just Caffeine
33:45 Study Limitations And Confounders
37:50 Wine Studies Cautionary Tale
40:57 How Caffeine Might Protect
47:11 Wellness Hype And Realistic Takeaways
54:19 Step Challenge And Farewell
