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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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

📚 Dr. William Li’s books:

📚 Books from our ZOE Scientists:

Relevant studies:

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