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55 million people suffer dementia worldwide with numbers expected to double every 20 years. Understanding the link between our heart health and brain function is critical, illuminating the profound impact that heart health has on preventing dementia.
Dr. William Li, an expert in cardiovascular and metabolic health. He reveals how caring for our heart is not just about longevity but maintaining sharp, effective brain function as we age. His groundbreaking work has impacted more than seventy diseases including diabetes, heart disease, and obesity. Dr. Li is also a New York Times best-selling author.
In today’s episode, Dr. Li explains how simple lifestyle choices in diet, exercise and sleep can drastically shape our brain's health and stave off dementia.
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Timecodes
00:00 Introduction
01:23 Quickfire questions
03:30 Understanding dementia and Alzheimer's disease
04:50 Dementia versus ageing
06:35 The role of blood vessels in brain health
07:55 How circulation affects brain function
09:23 What causes blood clots and strokes?
11:06 The importance of maintaining healthy blood vessels
12:15 The impact of lifestyle choices on brain health
15:01 What happens in our brains when we sleep?
19:35 What is the glymphatic system?
22:40 Vascular dementia may be the most common form of dementia
24:35 The role of glucose in brain function
27:10 What causes dementia and why does it happen when we get older?
29:00 Preventing dementia with lifestyle changes
31:10 What are healthy blood vessels like?
37:50 The surprising role of EPCs in brain repair
41:30 Can you slow down or reverse dementia?
52:08 The connection between gut health and brain health
51:40 The importance of exercise for brain health
56:30 How to avoid dementia
01:01:16 The link between mental health and cardiovascular disease
Relevant studies:
- A human brain vascular atlas reveals diverse mediators of Alzheimer’s risk, published in Nature
- Heart-brain connections: Phenotypic and genetic insights from magnetic resonance images, published in Science
- Cocoa flavanol consumption improves cognitive function, blood pressure control, and metabolic profile in elderly subjects: the Cocoa, Cognition, and Aging (CoCoA) Study—a randomized controlled trial, published in The American Journal of Clinical Nutrition
Dr. William Li's books:
Is there a nutrition topic you’d like us to explore? Email us at [email protected], and we’ll do our best to cover it.
Episode transcripts are available here.