The Best Exercises for Brain Health

A free science-backed brain health guide from Austin Perlmutter, MD

Exercise has always had a reputation as good medicine — for the heart, the waistline, the joints. But recent research tells a more specific story: movement is one of the most powerful tools we have for protecting the brain itself. In this free guide, you'll learn how aerobic training, resistance work, HIIT, and mind-body practices each pull on distinct biological levers — and how to build a realistic routine that actually protects your cognition.

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31%

of adults worldwide are not meeting minimum physical activity guidelines as of 2022.

1.8B

adults globally are insufficiently active — a number that has been rising, not falling, over the past decade.

150

minutes of moderate aerobic activity per week is the research-backed weekly target for brain and body benefit.

4

distinct exercise types — aerobic, resistance, HIIT, and mind-body — each pull on different biological levers in the brain.

THE SCIENCE

Exercise is one of the most powerful, underused tools we have for protecting the brain.

Landmark research spanning decades now links regular movement to larger hippocampal volume, improved memory, sharper executive function, and a meaningfully lower risk of cognitive decline. Large longitudinal cohorts and randomized trials converge on the same conclusion: the brain responds to exercise the way muscles respond to resistance training — it adapts, strengthens, and grows more resilient.

This guide makes that science accessible — and gives you a practical blueprint to act on it today.

"We've been prescribing exercise for the body for a century. It's time we start prescribing it for the brain — with the same precision and urgency."

Austin Perlmutter, MD

01

The Global Movement Gap

Why nearly 1 in 3 adults isn't moving enough — and what that means for brain health over time.

02

Exercise and the Brain

The mechanisms linking physical activity to memory, mood, and long-term cognitive resilience.

03

Types of Exercise

How aerobic, strength, and flexibility training each play a distinct role in brain health.

04

High-Intensity & Extreme Training

What the research says about HIIT, endurance sports, and pushing your limits safely.

05

Mechanisms of Action

The biological pathways — from blood flow to inflammation — that connect movement to a sharper mind.

06

BDNF & Neuroplasticity

How exercise triggers brain-derived neurotrophic factor to build new neurons and connections.

07

Your Brain-Boosting Blueprint

A simple, sustainable weekly routine you can start today — no gym required.

Grounded in Research

Every recommendation is backed by peer-reviewed neuroscience, not fitness trends.

Balanced, Not Extreme

No extreme training required — just realistic, sustainable movement patterns.

Ready-to-Follow Plan

A clear, step-by-step blueprint you can start using today, no guesswork needed.

Austin Perlmutter, MD

Austin Perlmutter, MD is a physician, brain health researcher, New York Times bestselling author, and educator focused on helping people understand the science of brain health, nutrition, exercise, and behavior change. He is the co-author of Brain Wash with David Perlmutter, MD.

His work has been featured across major media and read by millions, with a focus on translating complex science into practical steps for a healthier brain.