Vitamins A, D, E, and K are called fat-soluble because they dissolve in fat rather than water. This means the amount of fat you eat with these vitamins directly determines how well your body absorbs them — a fact that makes low-fat diets a potential risk for certain deficiencies.
Gram for gram, the saturated fat in cheddar and the saturated fat in butter are close to identical. Fed to people in controlled trials, they produce measurably different LDL cholesterol. The explanation is the food matrix, and it is the most misused idea in the 2026 fat debate.
A study says coffee causes cancer. Another says it prevents it. Both can be true at a statistical level while neither tells you whether to drink coffee. Understanding how to read and evaluate nutrition research is one of the most useful skills for making sense of conflicting health headlines.
Few oils have generated as much controversy as coconut oil. Praised by some as a metabolism-boosting superfood and condemned by others as a cardiovascular risk, the truth sits somewhere in the middle — and the science is more nuanced than the headlines suggest.
The phrase 'food is medicine' is often invoked loosely, but there is substantial evidence that macronutrient quality and distribution measurably affect long-term disease risk, aging, and quality of life.
The FDA's 2018 ban on partially hydrogenated oils removed the primary source of industrial trans fats from the US food supply. But naturally occurring trans fats persist, and labeling rules allow trace amounts to be hidden.
Dietary fat is the raw material for sex hormones, stress hormones, and fat-soluble vitamins. Inadequate fat intake disrupts hormonal health in ways that affect energy, reproduction, and metabolism.
High-protein diets have moved from bodybuilding forums into mainstream nutrition. The evidence supports many of the claimed benefits, with important nuances around dose and population.
Online discourse has painted seed oils as a primary driver of chronic disease. The scientific literature paints a more complex picture that deserves careful examination.
The idea of an anabolic window — a narrow post-workout period when protein is uniquely effective — drove supplement culture for decades. The science tells a more nuanced story.
The debate over saturated fat has raged for decades. Here's a clear-eyed look at what the science actually says about saturated and unsaturated fats, and what it means for your diet.
Daily protein recommendations range from 0.36 to over 1 gram per pound of body weight depending on who you ask. Here's what the research actually says about how much protein different people need.
