Fitness fads can significantly impact long-term health by promoting unrealistic or unsustainable practices. Many trends emphasize quick fixes or extreme dieting without considering the nutritional and lifestyle balance essential for overall health. Following such trends often results in a yo-yo effect, where individuals may lose weight quickly but regain it when the fad is over. Sustainable fitness requires a well-rounded approach, including regular exercise and a balanced diet. Additionally, reliance on fads can distract from developing healthy, lifelong habits that contribute to overall well-being.