The ketogenic diet, often called keto, is a high-fat, very-low-carb eating plan that has gained popularity for its potential benefits, especially for weight loss and blood sugar control in diabetics. The diet typically consists of 75% fat, 20% protein, and 5% carbohydrates. By drastically reducing carbs, the body enters a state called ketosis, where it burns fat for energy instead of glucose. This can lead to weight loss and more stable blood sugar levels. However, the keto diet is very restrictive and can be difficult to maintain. It may cause side effects like the 'keto flu,' which includes symptoms such as headaches and fatigue. Long-term risks include potential nutrient deficiencies, kidney stones, and increased levels of 'bad' cholesterol. People with type 1 diabetes, a history of eating disorders, or those without a gallbladder should avoid the diet. Always consult a healthcare provider before starting any new diet, especially one as restrictive as keto.