I. Leonardo da Vinci was the first person to advocate vegetarianism in modern times, although so many other influential people, such as René Descartes and Immanuel Kant, find it quite difficult to believe that humans had any ethical obligations toward animals.

II. Leo Tolstoy is a Russian author who gave up meat, because he does not like the idea of animal cruelty. Leo Tolstoy claims that eating meat is not necessary; and he believes eating meat leads to animalistic behavior. He also believed that eating meat could encourage drunkenness and fornication.

III. It was argued in a recent study that people who eat plant-based foods usually have a better sex life that meat eaters. This study claims that some plants influence sexual activity and hormone levels.

IV. The vegetarian movement was majorly influenced by early medical science that understood the common attributes between animals and humans and the Indian philosophy that rejects animal cruelty.

V. Pythagoras was a Greek philosopher and one of the first famous vegetarians. Pythagoras lived at the end of the 6th century B.C. — The plant-based diet was first referred to as the “Pythagorean diet”. The new name “vegetarian” was coined in the 19th century.

VI. According to a study at Oxford University, England, it was concluded that people who ate meat were about three times more likely to develop gallstones than people who don’t.

VII. A vegetarian diet is also said to encourage long life and enhanced human health. It is also said to cause spiritual enlightenment.

VIII. Some vegetarian diets can be lower in calories and very rich in fiber, while other vegetarian diets can cause higher caloric intake than meat, if a lot of nuts and cheese are included.