Myth: Carbs Are Bad

The demonization of carbohydrates is one of the most persistent nutrition myths of the past two decades. It is also one of the most harmful, because it steers people away from some of the most nutritious foods available — vegetables, fruits, whole grains, and legumes. The truth is that carbohydrates are the body's preferred energy source. The distinction that matters is quality. Whole-food carbohydrates — oats, brown rice, sweet potatoes, fruits, vegetables, beans — are among the healthiest foods you can eat. Refined carbohydrates — white flour, sugar, processed snacks — are worth limiting. Conflating the two, as 'carbs are bad' does, is a category error that leads people to avoid nourishing foods.

The problem is never a macronutrient. The problem is always the quality and quantity of the foods you choose.

Myth: Fat Makes You Fat

This myth drove the low-fat craze of the 1990s and early 2000s, which produced a generation of low-fat, high-sugar processed foods that were arguably less healthy than what they replaced. The logic was simplistic: fat has more calories per gram than protein or carbohydrates, so eating fat must cause weight gain. But the body does not process macronutrients as isolated calories. Healthy fats — olive oil, avocados, nuts, seeds, fatty fish — are essential for hormone production, nutrient absorption, satiety, and brain health. Avoiding them does not cause weight loss. It causes nutrient deficiency and increased hunger, which often leads to weight gain.

Myth: You Need to Detox

The detox industry is built on the premise that the body accumulates toxins that must be flushed out through special diets, juices, teas, or supplements. This is biologically illiterate. The body has a highly sophisticated detoxification system — the liver and kidneys — that continuously removes waste and toxins. No juice, tea, or supplement improves on this system. What does support the body's natural detoxification is adequate hydration, sufficient fiber, regular movement, and limiting the intake of processed foods and alcohol — the very practices that constitute healthy living. Detox products are not health products. They are expensive placebos.

Myth: Eating Late at Night Causes Weight Gain

The idea that eating after a certain hour causes weight gain is based on the assumption that the body processes food differently at night. In reality, weight management is governed by total caloric intake relative to expenditure, not by the timing of meals. Eating late at night does not inherently cause weight gain. However, late-night eating is often additional eating — snacks consumed on top of the day's meals — which increases total intake. The problem is not the timing. It is the quantity. If late-night eating fits within your overall nutritional needs, it is not harmful. If it is excess, it is the excess — not the clock — that matters.

Myth: You Need Supplements to Be Healthy

The supplement industry thrives on the implication that food is insufficient — that even a good diet leaves nutritional gaps that only pills can fill. For most people eating a varied, whole-food diet, this is not true. The body absorbs nutrients from food far more effectively than from supplements, and whole foods provide the complex matrix of vitamins, minerals, fiber, and phytonutrients that no supplement can replicate. There are exceptions — vitamin D for those with limited sun exposure, B12 for vegans, iron for deficiency — but these are specific, medical recommendations, not general wellness advice. For most people, the money spent on supplements would be better spent on higher-quality food.

Letting go of these myths is liberating. It removes the anxiety, the rules, and the products that complicate eating without improving it. What remains is simple, sustainable, and true: eat whole foods, mostly plants, adequate protein, healthy fats, and not too much. That is enough. It has always been enough.