Earth Day 2026 lands on April 22, and this year’s theme – “Our Power, Our Planet” – is a reminder that individual choices, multiplied across billions of people, have the power to reshape systems. One of the most powerful choices any individual can make? What they eat. The research is unambiguous: a whole-food plant-based (WFPB) […]
The phytonutrient index (PI) might be the most important health metric you’ve never heard of. It’s a simple, science-backed score that measures what fraction of your diet comes from phytonutrient-rich whole plant foods — and it turns out this single number has remarkable predictive power for your health outcomes. The power of science lies in […]
Walter Willett has quietly shaped how the world understands nutrition for more than four decades — and chances are, you’ve been following his conclusions without ever knowing his name. If you’ve heard that trans fats are dangerous, that red meat increases disease risk, or that the quality of dietary fat matters more than the quantity, […]
If you’ve ever wondered what are green light foods and why nutrition experts keep talking about them, you’re about to discover one of the simplest frameworks for transforming your diet without calorie counting, macro tracking, or elaborate meal plans that fall apart by day three. This traffic light approach to eating — popularized by Dr. […]
What is lifestyle medicine? It’s an evidence-based medical specialty that uses lifestyle interventions — not primarily pills or procedures — to prevent, treat, and even reverse chronic disease. Practiced by over 15,000 board-certified medical professionals through organizations like the American College of Lifestyle Medicine (ACLM), this approach represents a fundamental shift in how we think […]
When you think about the types of nutrients your body needs, what comes to mind? Most people immediately think of macronutrients — protein, carbs, and fat. The more nutrition-aware might add micronutrients to the list. But here’s what might surprise you: your body’s full “operating system” actually requires four distinct nutrient categories to function at […]
LeafSide 1-Week Meal Plan