Following a diet to lose weight (such as the Atkins, Zone, or Ornish plans) or to improve health (such as vegetarian or macrobiotic diet) are among the most popular alternative approaches.​

Diet

The totality of food and beverages consumed by an individual or group, influencing health and nutritional status.

Atkins

A low-carbohydrate diet designed for weight loss, emphasizing protein and fat intake while limiting carbohydrates.

Vegetarian

A person who follows a diet that excludes meat, fish, and poultry, but may include dairy products and eggs.