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.
The RDAs for vegetarians are 1.8 times higher than for people who eat meat. This is because heme iron from meat is more bioavailable than nonheme iron from plant-based foods, and meat, poultry, and seafood increase the absorption of nonheme iron [5].