Cutting Through the Nutrition Noise
If you’ve ever felt confused about nutrition, you’re not alone. One day we’re told coffee is terrible for our health, and the next week a morning show expert is explaining why it’s actually beneficial. Add in the constant stream of wellness and supplement hacks and it’s no wonder so many people feel overwhelmed and unsure where to start.
Lately, many nutrition and health professionals have been encouraging people to tune out much of that noise and return to the basics: eating well, moving regularly, and getting enough sleep. These fundamentals may not be flashy, but they’re far more reliable than quick fix promises found in pills, powders, or expensive treatments (not to say supplements don’t have their place in nutrition planning).
Even with that advice, it can still feel complicated. We’re surrounded by different diets, food rules, and conflicting messages about what we should be eating. While nutrition science continues to evolve (and while individuals can respond differently to the same foods), we can rely on one important tool: evidence-based practice.
What Is Evidence-Based Nutrition?
Evidence-based nutrition looks at three things together:
The quality of scientific research
Real world experience
The needs and preferences of the individual
Not all scientific research carries the same weight, and understanding where nutrition advice comes from to begin with is helpful. At the top of the evidence hierarchy are systematic reviews and meta-analyses of randomized controlled trials, followed by randomized controlled trials themselves. Below that are observational studies, expert opinions, and finally non peer reviewed media.
Unfortunately, most of what we see online and in the news falls into that last category. It’s often designed to grab attention, sell products, cherry pick, or spark debate…and it can leave us feeling more confused than informed.
Why Nutrition Science Is So Controversial
It’s also worth remembering that nutrition science is complex. We’re still learning a lot about how the body responds to food and supplements.
That uncertainty isn’t a bad thing. Science as a whole requires us to be open minded as new, better evidence comes out over time.
What Science Does Consistently Agree On
The good news? When it comes to nutrition, there are things the science consistently agrees on. Examples:
Balanced consumption of macronutrients (protein, fat, carbohydrates) based on an individual’s body composition among other factors
Prioritizing whole and minimally processed foods
Limiting added sugars
Consuming enough fiber
These principles aren’t new, and they aren’t complicated…but in today’s fast paced world, they can take some planning and support to put into practice.
And that’s where a realistic, personalized approach to nutrition truly matters.
References
Hall, K. D., & Guo, J. (2017). Obesity energetics: Body weight regulation and the effects of diet composition. Gastroenterology, 152(7), 1718–1727.
Hall, K. D. (2017). A review of the carbohydrate–insulin model of obesity. European Journal of Clinical Nutrition, 71(3), 323–326.
Neacsu, M. et al. (2014). Appetite control and satiety with high-protein diets. American Journal of Clinical Nutrition, 100(2), 548–558.
Dougkas, A., & Östman, E. (2016). Protein-enriched liquid preloads and appetite regulation. Journal of Nutrition, 146(3), 637–645.
Lassale, C. et al. (2018). Healthy dietary indices and depressive outcomes. Molecular Psychiatry.
Lewallen, S., & Courtright, P. (1998). Epidemiology in practice: Case-control studies. Community Eye Health, 11(28), 57–58.
National Academy of Sciences. (2008). Science, Evolution, and Creationism.
Lyttleton, R. (1977). The Nature of Knowledge.