Eat Well, Live Longer: Eating for Longevity Starts With Whole Foods

What if changing what’s on your plate could add up to 10 extra years to your life? It sounds bold—but science keeps showing that the food choices we make every day play a huge role in not just how long we live, but how well we live.

With so many processed options in stores and conflicting nutrition advice everywhere, healthy eating can feel confusing. You probably have a general idea of what’s “good for you,” but putting it into practice in real life can still feel confusing.

But it doesn’t have to be. Choosing whole foods is one of the simplest and most effective ways to support longevity. Eating whole foods isn’t just another diet—it’s a lifestyle that’s been shown to help prevent, manage, and even reverse many common and chronic health problems, and support a longer, healthier life. In fact, a 2022 study found that a whole foods diet could add up to 10 years to your lifespan. Who wouldn’t want that?

In this post, I’ll break down what whole foods really are, share which foods to prioritize, and explain how this way of eating can improve your health—maybe even adding years to your life.

What Are Whole Foods?

Think back to how people ate before fast food, frozen meals, and ingredient labels full of words we can’t pronounce. Meals were built around simple, fresh ingredients—from gardens, farms, or local markets.

According to nutrition psychiatrist Dr. Georgia Ede, a whole food is a single, natural ingredient that’s perishable—like a peach, an egg, or a fish—and requires little to no processing to be safely edible. Peeling, chopping, or cooking? All good.

Cookbook author Cynthia Lair offers five helpful questions to help you spot a whole food:

  • Can I imagine it growing?
  • How many ingredients does it have?
  • What’s been done to it since harvest?
  • Have any edible parts been removed?
  • How long has this food been nourishing people?

If it passes those questions, it’s probably a whole food—and a smart choice for eating for longevity.

What Eating for Longevity Looks Like

A whole foods lifestyle is about real nourishment—choosing foods your body recognizes and thrives on. While it can look a little different for everyone, it typically emphasizes mostly plant-based foods, clean proteins, and healthy fats. Here’s what to prioritize:

Whole grains (like brown rice, quinoa, millet)

Use these in place of white rice or pasta, or use as a base for grain bowls, add to soups, or mix into salads for more staying power.

Colorful fruits and veggies

Aim to “eat the rainbow.” Toss sautéed veggies into omelets, roast seasonal vegetables with dinner, or add berries to breakfast or dessert.

Legumes (beans, lentils, fermented soy)

Budget-friendly and packed with fiber. Add to soups and stews or combine with grains for a complete plant-based protein.

Clean animal proteins (eggs, wild-caught fish, pasture-raised meats)

Add to salads, bowls, or enjoy simply prepared. These provide essential nutrients like B12, iron, and quality protein.

Healthy fats (avocados, nuts, seeds, olive oil, coconut)

Drizzle olive oil over salads, snack on nuts, or add seeds to smoothies and yogurt.

Dairy (if tolerated—plain yogurt, kefir, aged cheeses)

Great in smoothies, with fruit, or as part of a balanced snack.

The Health Benefits of Eating Whole Foods

Dr. David Katz sums it up well: “Lifestyle can refashion our fate. DNA is not our destiny—dinner is!”

The science backs this up—what you eat can prevent, manage, or even reverse many chronic health issues. When paired with other healthy lifestyle habits, a whole foods diet supports:

  • Balanced blood sugar
  • Heart health
  • Healthy weight management
  • Lower inflammation (which can ease joint pain and autoimmune symptoms)
  • Brain health, including mood and memory support

And these benefits are just the beginning. Eating whole foods positively impacts nearly every part of your health.

Eating for longevity is a journey, not a race. What’s a whole food that feels easy or interesting to add? Let’s swap ideas in the comments or messages.

xo, Lisa


References

Downstate TV. (2019, April 3). Truth about food. [Video]. YouTube. https://www.youtube.com/watch?v=- YLaJZk2Icc 

Ede, G. (2024). The quiet diet approach. In Change your diet, change your mind: a powerful plan to improve mood, overcome anxiety, and protect memory for a lifetime of optimal mental health (p. 266). Balance.

Fadnes, L. T., Økland, J. M., Haaland, Y. A., & Johansson, K. A. (2022). Estimating impact of food choices on life expectancy: A modeling study. PLOS Medicine, 19(2), e1003889. https:// journals.plos.org/plosmedicine/article?id=10.1371%2Fjournal.pmed.1003889 

Lair, C. (2016). Wholesome family eating. In S. Roxborough (Ed.), Feeding the whole family: more than 200 recipes for feeding babies, young children, and their parents (p. 6). Sasquatch Books.