A vegetarian diet excludes meat, fish, and poultry. There are different types of vegetarians - lacto-ovo vegetarians consume dairy and eggs, lacto vegetarians consume dairy but not eggs, and vegans consume no animal products. Studies show 3-4 million people in the UK are vegetarian, with more vegetarian women than men and more younger than older people. People choose vegetarianism for health reasons like reducing disease risk, environmental concerns about pollution from meat production, or animal welfare issues with factory farming. Several companies specialize in vegetarian products like burgers, breakfast foods, and beauty products containing no animal ingredients. Strict vegetarians must check ingredients in foods like orange juice, cheese,