Q: Is There One Weight-Loss Diet That’s Better Than the Others? S.B. – Sausalito, California A: With two out of three Americans classified as overweight or obese, it’s no surprise that people are constantly searching for the “best” weight-loss diet. Popular approaches such as low-carb, high-protein, ketogenic, Mediterranean, paleo, and others all have passionate advocates. But rather than asking which diet is best, it may be more useful to ask: Which approach is sustainable, metabolically supportive, and rooted in real food? The Problem with Fad Diets Many structured diets work in the short term because they reduce caloric intake whether by cutting carbohydrates, restricting fats, eliminating food groups, or tightly controlling portions. Short-term weight loss is common.Long-term maintenance is far less common. Research consistently shows that many individuals regain lost weight within several years if foundational habits do not change. Extreme or highly…