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LMU 244 – Eating Your Way to Happiness: How a Mediterranean Diet Can Beat Depression

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Eating Your Way to Happiness: How a Mediterranean Diet Can Beat Depression

Source: American Journal of Clinical Nutrition (April 2022)

Lifestyle Medicine Update (May 31, 2022)

Introduction:

A groundbreaking study published in April 2022, titled “The effect of a Mediterranean diet on the symptoms of depression in young males,” reveals a promising link between diet and depression. The research focused on young males aged 18-25, offering hope for treatment-resistant depression and emphasizing the importance of dietary interventions in mental health care.

Unlocking the Power of Diet in the Battle Against Depression

For years, the question of whether dietary modifications could truly make a difference in the battle against depression loomed large. Many individuals, along with various companies and organizations, sought answers. The disappointing response, until recently, was that no concrete studies existed to prove that dietary changes had any notable impact on depression. However, that narrative changed dramatically on April 20, 2022, with the publication of a groundbreaking study in the American Journal of Clinical Nutrition.

A Glimpse of Hope

The study, titled “The effect of a Mediterranean diet on the symptoms of depression in young males (the ‘AMMEND’ study): A Randomized Control Trial,” heralds a promising shift in our understanding of the relationship between diet and depression. It focused on 72 young male patients, aged 18-25 years, grappling with moderate to severe depression. What makes this research especially noteworthy is that it’s a randomized, controlled study—a gold standard in scientific investigation.

The Mediterranean Diet Miracle

The core of this study revolved around the Mediterranean diet, renowned for its heart-healthy benefits. Those participants fortunate enough to receive dietary coaching geared towards transitioning to this Mediterranean-style diet experienced a remarkable transformation. By the end of the 12-week study, they reported significant improvements in their symptoms and quality of life compared to a control group that made no dietary changes.

The Significance

This discovery carries immense significance for several reasons:

  1. Treatment-Resistant Depression: Approximately 30% of individuals struggling with depression don’t respond adequately to standard treatments such as cognitive-behavioral therapy and antidepressant medications. This dietary intervention offers a glimmer of hope for those who have exhausted conventional options.
  2. The Global Impact: In Australia, where this study unfolded, one million people grapple with depression each year. This not only diminishes their quality of life but also elevates the risk of suicide—a leading cause of death among young adults. These statistics resonate globally, highlighting the urgency of finding novel approaches.
  3. Sustainability: Contrary to common belief, the vast majority of participants adhered to the Mediterranean diet. Many expressed a keen desire to continue even after the study ended, emphasizing the effectiveness, tolerability, and overall worthiness of this dietary transformation. It defied the notion that individuals dealing with depression couldn’t or wouldn’t make positive dietary changes.

Why the Mediterranean Diet Works

The Mediterranean diet primarily champions the consumption of vibrant vegetables (in various hues), legumes like beans and peas, whole grains, fatty fish rich in omega-3 fats, olive oil, and raw unsalted nuts. The key was to focus on fresh, whole foods while reducing the intake of fast food, sugar, and processed red meat.

Scientists believe that the high fiber content found in whole grains, vegetables, legumes, and nuts serves as a nourishing source for beneficial gut bacteria. These microbes thrive in the large intestine, where they produce a staggering 90% of the body’s serotonin. This critical neurotransmitter plays a pivotal role in influencing the brain via the gut-brain connection, facilitated by the Vagus nerve.

Serotonin: The Happiness Molecule

Serotonin is often dubbed the “happiness molecule” for its role in elevating mood and promoting feelings of happiness and contentment. As gut bacteria produce more serotonin due to a fiber-rich diet, the positive impact cascades to the brain, potentially alleviating symptoms of depression.

A New Prescription for Depression

The researchers behind this study conclude by underscoring the pivotal role of nutrition in treating depression. They advocate for clinicians to incorporate dietary advice and coaching into their treatment protocols, especially when dealing with specific demographic populations.

This groundbreaking research illuminates a path towards a brighter future—one where dietary choices offer new hope for those battling depression, potentially transforming lives along the way.

References:

Jessica Bayes, Janet Schloss, David Sibbritt. “The effect of a Mediterranean diet on the symptoms of depression in young males (the ‘AMMEND’ study): A Randomized Control Trial.” The American Journal of Clinical Nutrition, 2022. [Read the study here](https://academic.oup.com/ajcn/advance-article-abstract/doi/10.1093/ajcn/nqac106/6571247?redirectedFrom=fulltext).

 

Eat Smart, Live Well, Look Great,

Dr. Meschino

Dr. James Meschino

Dr. James Meschino

ABOUT THE AUTHOR

Dr. James Meschino, DC, MS, ROHP, is an educator, author, and researcher having lectured to thousands of healthcare professionals across North America. He holds a Master’s Degree in Science with specialties in human nutrition and biology and is recognized as an expert in the field of nutrition, anti-aging, fitness, and wellness as well as the author of numerous books.

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