| − | Some nutritionists have argued that vegetarianism is an unsustainable diet. It can be difficult to regularly get all of your daily required [[nutrient]]s without eating animal products every day. [[Soy]], [[nut]]s and [[bean]]s are often used as a substitute for meat and protein, but nonetheless many vegetarians have to take vitamin supplements or eat enriched foods.<ref>According to Olivant, the most useful supplements for the vegetarians contain nutrients that may be limited in their diet, such as omega-3. [http://www.nutraingredients.com/news/ng.asp?n=65255-vegetarian-supplements]</ref> Nutrionist Dr. Ray Sahelian warns "Those who eat very little meat, fish and foul and ... may be missing, or getting very little, crucial nutrients for optimal health such as [[vitamin B12]], [[iron]], [[creatine]], [[carnitine]], and several other [[nutrient]]s"<ref>[http://www.raysahelian.com/vegetarian.html Dr. Ray Sahelian]</ref> Vegetarians suffer from higher rates of certain diseases, such as [[osteoporosis]], [[anemia]], [[bulimia]], and [[thyroid]] problems due to the lack of [[calcium]] and other nutrients in their diets. | + | Some nutritionists have argued that vegetarianism is an unsustainable diet. It can be difficult to regularly get all of your daily required [[nutrient]]s without eating animal products every day. [[Soy]], [[nut]]s and [[bean]]s are often used as a substitute for meat and protein, but nonetheless many vegetarians have to take vitamin supplements or eat enriched foods.<ref>According to Olivant, the most useful supplements for the vegetarians contain nutrients that may be limited in their diet, such as omega-3. [http://www.nutraingredients.com/news/ng.asp?n=65255-vegetarian-supplements]</ref> Nutrionist Dr. Ray Sahelian warns "Those who eat very little meat, fish and foul and ... may be missing, or getting very little, crucial nutrients for optimal health such as [[vitamin B12]], [[iron]], [[creatine]], [[carnitine]], and several other [[nutrient]]s"<ref>[http://www.raysahelian.com/vegetarian.html Dr. Ray Sahelian]</ref> Vegetarians suffer from higher rates of certain diseases, such as [[osteoporosis]], [[anemia]], [[bulimia]], and [[thyroid]] problems due to the lack of [[calcium]] and other nutrients in their diets. Recently, scientists discovered that a vegetable-heavy diet can actually cause [[brain]] shrinkage.<ref>[http://timesofindia.indiatimes.com/HealthSci/Eating_veggies_shrinks_the_brain/articleshow/3480629.cms Times of India] Eating Veggie Shrinks the Brain</ref> |
| | In contrast, the American Dietetic Association and the Dietitians of Canada have taken the position that properly planned vegetarian diets can be nutritious, healthy, and provide benefits in helping prevent and treat some diseases, possibly with the help of nutritional supplements.<ref>[http://www.eatright.org/cps/rde/xchg/ada/hs.xsl/advocacy_933_ENU_HTML.htm Vegetarian Diets]</ref> | | In contrast, the American Dietetic Association and the Dietitians of Canada have taken the position that properly planned vegetarian diets can be nutritious, healthy, and provide benefits in helping prevent and treat some diseases, possibly with the help of nutritional supplements.<ref>[http://www.eatright.org/cps/rde/xchg/ada/hs.xsl/advocacy_933_ENU_HTML.htm Vegetarian Diets]</ref> |