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The Relationship Between Exercise and Nutrition & Mental Health

By Sarah Chen, PsyD • 1/28/2026


There's a conversation I keep having with clients — different faces, different stories, but the same underlying theme.

Why This Matters More Than You Think

I want to be careful here because this gets oversimplified a lot.

Here's what the data actually says — and I'm going to be more nuanced than the clickbait headlines. A 2024 systematic review looked at 47 studies and found significant but modest effects. Translation: this stuff works, but it's not a miracle cure. You need to pair it with other strategies.

The Practical Part

Okay, let's get practical. Enough theory.

Neuroscience has come a long way on this topic. We now know that the brain's neuroplasticity — its ability to rewire itself — means that these patterns aren't permanent. With consistent practice, you can literally change the neural pathways that maintain this cycle.

Moving Forward

This is where things get interesting — and where most generic advice falls short.

The World Health Organization estimates that this affects approximately 1 in 4 people globally at some point in their lives. If you're reading this, the math says several of your close friends are dealing with something similar — they just haven't told you.

What to Try This Week

A 2023 meta-analysis in the Journal of Clinical Psychology looked at this exact question. Here's what they found.

I had a client — let's call her Meera — who struggled with exactly this for years. She'd tried everything the internet suggested. The apps, the journals, the morning routines. Nothing stuck. What finally made a difference was surprisingly simple: she stopped trying to fix herself and started trying to understand herself.

Progress isn't going to look like a straight line. There will be setbacks. Days where you feel like you're back at square one. You're not — you're just having a hard day. Those are different things.

Remember: seeking help isn't a sign of weakness. It's one of the bravest things you can do.