25. (AB) From fast food to five-star restaurants, vegetarian options are becoming more commonplace. (AC) Vegan diets are free of cholesterol and are generally low in saturated fat. (AD) Therefore, vegans should eat foods that are high in calcium and/or use a calcium supplement. (AE) People choose to be vegan for health, environmental, and/or ethical reasons. (BC) Some people avoid these items because of conditions associated with their production. (BD) At least ten to fifteen minutes of summer sun on hands and face two to three times a week is recommended.