There are 4 main types of vegetarian diets:
Lacto–ovo–vegetarian –This involves dairy products and eggs but no meat, poultry, or seafood
Lacto–vegetarian –This encompasses dairy products but no eggs, meat, poultry, or seafood
Ovo–vegetarian –This includes eggs but no dairy products, meat, poultry, or seafood
Vegan does not consume any animal products, including meat, fish, poultry, eggs, and dairy products. Many vegans also avoid honey.
Vegetarian and plant-based diets are associated with a diminished risk of obesity, diabetes, heart disease and certain cancers as well as increased longevity. Vegetarian diets have lower fat content, especially saturated fat, and are rich in dietary fiber. They also include more whole grains, legumes, nuts, soy protein, and are devoid of red meat. Such a diet plan may assist with the prevention and treatment of obesity and chronic health problems, such as diabetes and cardiovascular disease.