The community has played a significant role in the history of the petroleum industry in Canada. Oil exploration is known to have occurred in the early 20th century, but Fort McMurray's population remained small, no more than a few hundred people.
The answer is they can be, but aren't always. In general, vegetarian diets are lower in saturated fats, cholesterol and animal protein, and higher in fiber and folate than non-vegetarian diets.
However, while vegetarians tend to consume dairy products and eggs, a vegan avoids all animal products, including eggs and dairy, and often inedible animal-based products, such as leather, wool, and silk. Vegetarianism is usually a diet, while veganism is a lifestyle.