Introducing The truth behind memory loss - and how to stop it with exercise | Dr. Wendy Suzuki from ZOE Science & Nutrition.

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We spend so much time focusing on how exercise changes our bodies - burning calories, building muscle, shedding fat. What if the most important transformation is happening where you can’t see it? Hidden inside your skull, your brain is changing with every step, squat, and sprint.

Neuroscientist Dr. Wendy Suzuki has spent years uncovering how movement rewires the brain. As a professor at NYU and an expert in neuroplasticity, Wendy’s research reveals how aerobic exercise boosts memory, sharpens focus, and even builds a protective barrier against dementia.

In this episode, Wendy explains what happens inside your brain when you move, why it’s never too late to strengthen your mind, and the powerful ways exercise can slow brain aging. You’ll discover simple, science-backed habits - including her own brain-boosting routine - to help you stay mentally sharp for years to come.

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Timecodes

00:00 Introduction

02:35 Can you grow your brain?

05:05 Why we forget things

07:20 Emotions and memory

10:00 Does memory decline with age?

13:15 Early signs of Alzheimer’s

15:45 Can walking prevent dementia?

18:20 Does the brain shrink?

20:45 How stress harms your brain

23:50 A real, preserved human brain...

26:30 Why exercise boosts memory

29:15 Can adults grow new brain cells?

31:45 How daily movement improves memory

35:10 How much exercise do you need?

38:25 Best workouts for brain health

41:30 Nutrition, gut health, and memory

45:00 Do Blue Zone habits help?

48:10 A simple brain experiment

50:45 Wendy’s brain-boosting routine

📚Books by our ZOE Scientists

The Food For Life Cookbook

Every Body Should Know This by Dr Federica Amati

Food For Life by Prof. Tim Spector

Free resources from ZOE

Live Healthier: Top 10 Tips From ZOE Science & Nutrition

Gut Guide - For a Healthier Microbiome in Weeks

Mentioned in today's episode

London taxi drivers and bus drivers: a structural MRI and neuropsychological analysis, 2006, published in Hippocampus

Bigger is better! Hippocampal volume and declarative memory performance in healthy young men, 2012, published in Brain Structure and Function

The effects of acute exercise on cognitive performance: a meta-analysis, 2012, published in Brain Research

The effect of acute aerobic exercise on positive activated affect: A meta-analysis, 2006, published in Psychology of Sport and Exercise

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Episode transcripts are available here.

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