The Mediterranean diet, with its focus on fish, fruits, vegetables, whole grains, legumes, and olive oil, is the top diet for overall health and weight management, linked to longevity and reduced risk of Type 2 diabetes and heart disease.
The DASH diet is the second-best overall diet of 2020 and is designed to treat or prevent high blood pressure by emphasizing foods rich in calcium, potassium, and magnesium.
The paleo diet, based on the eating pattern of ancient hunter-gatherers, is a high-protein, low carb diet that can be beneficial for women with insulin resistance in their 50s, but may lead to nutrient deficiencies if not planned carefully.
Vegan and vegetarian diets focus on plant-based foods, but may lead to nutrient deficiencies. They can prevent certain diseases like heart disease and Type 2 diabetes.
The Flexitarian diet is flexible and focuses on mostly plant-based foods with occasional meat or fish. It can improve heart health, weight management, and prevent deficiencies in iron and omega-3s.