Vegetarian diet is a type of diet which mainly comprises farm products and some chosen animal products like milk and honey, excluding other types of animal products like meat, poultry, eggs, etc. The practice of following vegetarians diet is called vegetarianism.
Studies show that the vegetarianism practice was evolved by people from ancient Indian and ancient Greek civilization, basically from Southern Italy and Greece, in the 6th century BCE. The practice was followed by people who believed in non-violence towards animals. And gradually, the practice was adopted by many religions and cultures and people of same belief.
People adopt vegetarianism practice in their life because of certain reasons like ethical or religious belief, health concern, environmental concern, culture, aestheticism, politics and many more.
Vegetatrians who are on strict vegetarian diet avoid all types of animal products like meat, poultry, dairy products, eggs, and honey in their meal. Although maximum number of vegetarians follows a bit easy diet that comprises few dairy products like milk, cheese, curd and animal products like honey and eggs. Vegetarians who take eggs in their diet are popularly known as eggitarians.
Strict vegetarians or pure vegetarian not only avoid intake of any animal product, but also abstain themselves from using things made of animal parts like fur, leather. Generally, they are the supporters of animal rights, who do not believe in killing animals and using their products.
Some other variants of vegetarianism are defined under the terms Lacto-vegetarianism, ovo-vegetarianism, lacto-ovo vegetarianism.
Lacto-vegetarianism includes almost every dairy product except eggs. Ovo-vegetarianism comprises eggs but no dairy products. And, lacto-ovo combines both approaches and includes egg and dairy products.
Semi-vegetarian diet: A diet that mainly comprises vegetarian food and non-vegetarian foods in low portion is called semi-vegetarian diet. Although the diet mainly focus vegetarianism only, but sometimes it might include some portion of non-vegetarian foods like meat, chicken and all. It is basically consumed by people who are transforming themselves to vegetarians from non-vegetarian. As the change is happening gradually, the body will accommodate it normally in healthy way.
Vegetarian diet is considered very healthy to live with. But it has to be properly planned and consists components that balance each and every part of nutrional value like vitamins, proteins, fats, etc.