Fad diets can be tempting when we want fast results, feel pressured by the promotion of unrealistic beauty and fitness standards and misperceptions of health benefits in the long term.
Most fad diets lack balance, can be unsustainable in the long term, and may lead to nutrient deficiencies or other serious health issues such as cardiovascular risk, and digestive problems. Rapid weight loss is often followed by increased rebound weight gain.
A sustainable, healthy weight is typically achieved through intermittent diet breaks (if that is what you want) that can prevent metabolic adaption, a healthy balanced diet with fresh whole foods, portion control, and regular physical activity.