The Academy of Nutrition and Dietetics and Dietitians of Canada have stated that at all stages of life, a properly planned vegetarian diet is "healthful, nutritionally adequate, and provides health benefits in the prevention and treatment of certain diseases".[52] Large-scale studies have shown that mortality from ischemic heart disease was 30% lower among vegetarian men and 20% lower among vegetarian women than in non-vegetarians.[53][54] Vegetarian diets offer lower levels of saturated fat, cholesterol and animal protein, and higher levels of carbohydrates, fibre, magnesium, potassium, folate, and antioxidants such as vitamins C and E and phytochemicals.[55][56]
The earliest record of vegetarianism comes from the Indus Valley Civilization as early as the 7th century BCE,[20] inculcating tolerance towards all living beings.[21][22] Parshwanatha and Mahavira, the 23rd & 24th tirthankaras in Jainism respectively revived and advocated ahimsa and Jain vegetarianism in 8th to 6th century BC; the most comprehensive and strictest form of vegetarianism.[23][24][25] Vegetarianism was also practiced in ancient Greece and the earliest reliable evidence for vegetarian theory and practice in Greece dates from the 6th century BC. The Orphics, a religious movement spreading in Greece at that time, also practiced and promoted vegetarianism.[26] Greek teacher Pythagoras, who promoted the altruistic doctrine of metempsychosis, may have practiced vegetarianism,[27] but is also recorded as eating meat.[28] A fictionalized portrayal of Pythagoras appears in Ovid's Metamorphoses, in which he advocates a form of strict vegetarianism.[29] It was through this portrayal that Pythagoras was best known to English-speakers throughout the early modern period and, prior to the coinage of the word "vegetarianism", vegetarians were referred to in English as "Pythagoreans".[29]
^ Trichopoulou A, Orfanos P, Norat T, Bueno-de-Mesquita B, Ocké MC, Peeters PH, van der Schouw YT, Boeing H, Hoffmann K, Boffetta P, Nagel G, Masala G, Krogh V, Panico S, Tumino R, Vineis P, Bamia C, Naska A, Benetou V, Ferrari P, Slimani N, Pera G, Martinez-Garcia C, Navarro C, Rodriguez-Barranco M, Dorronsoro M, Spencer EA, Key TJ, Bingham S, Khaw KT, Kesse E, Clavel-Chapelon F, Boutron-Ruault MC, Berglund G, Wirfalt E, Hallmans G, Johansson I, Tjonneland A, Olsen A, Overvad K, Hundborg HH, Riboli E, Trichopoulos D (2005). "Modified Mediterranean diet and survival: EPIC-elderly prospective cohort study". BMJ. 330 (7498): 991. doi:10.1136/bmj.38415.644155.8F. PMC 557144. PMID 15820966. Lay summary.
^ Jump up to: a b Gopal Singh, History of the Sikh People, World Sikh Univ. Press, Delhi, ISBN 978-81-7023-139-4: "Nowadays in the Community Kitchen attached to the Sikh temples, and called the Guru's Kitchen (or Guru-ka-langar), meat dishes are not served at all. Maybe it is on account of its being, perhaps, expensive or not easy to keep for long. Or perhaps the Vaishnava tradition is too strong to be shaken off." 

Keep in mind that the initial weight lost on a fast is primarily fluid or "water weight," not fat. And when you go back to eating, any lost weight usually gets a return ticket back. Not only do most people regain weight lost on a fast, they tend to add a few extra pounds because a slower metabolism makes it easier to gain weight. Worse, the weight that is regained is likely to be all fat -- lost muscle has to be added back at the gym.
1842: "To tell a healthy vegetarian that his diet is very uncongenial with the wants of his nature." (Healthian, Apr. 34) The 1839 occurrence remains under discussion; the Oxford English Dictionary's 1839 source is in fact an 1863 publication: Fanny Kemble, Journal of a Residence on a Georgian Plantation 1838–1839. The original manuscript has not been located.
Following the Christianization of the Roman Empire in late antiquity, vegetarianism practically disappeared from Europe, as it did elsewhere, except in India.[34] Several orders of monks in medieval Europe restricted or banned the consumption of meat for ascetic reasons, but none of them eschewed fish.[35] Moreover, the medieval definition of "fish" included such animals as seals, porpoises, dolphins, barnacle geese, puffins, and beavers.[36] Vegetarianism re-emerged during the Renaissance,[37] becoming more widespread in the 19th and 20th centuries. In 1847, the first Vegetarian Society was founded in the United Kingdom;[38] Germany, the Netherlands, and other countries followed. In 1886, the vegetarian colony Nueva Germania was founded in Paraguay, though its vegetarian aspect would prove short-lived.[39]:345–358 The International Vegetarian Union, an association of the national societies, was founded in 1908. In the Western world, the popularity of vegetarianism grew during the 20th century as a result of nutritional, ethical, and—more recently—environmental and economic concerns.
Unsurprisingly, the results showed that nothing had happened to the weight of the women receiving calcium or the placebo. However, the group which took the multivitamin lost more weight – about 3 kg more – and improved their health markers. Among other things, their basal metabolic rate (the rate at which the body burns calories when at rest) increased.
Nuts. It’s very easy to eat until the nuts are gone, regardless of how full you are. A tip: According to science, salted nuts are harder to stop eating than unsalted nuts. Salted nuts tempt you to more overeating. Good to know. Another tip: Avoid bringing the entire bag to the couch, preferably choose a small bowl instead. I often eat all the nuts in front of me, whether I’m hungry or not.
^ P Urbain; F Singler; G Ihorst; H-K Biesalski; H Bertz (May 4, 2011). "Bioavailability of vitamin D2 from UV-B-irradiated button mushrooms in healthy adults deficient in serum 25-hydroxyvitamin D: a randomized controlled trial". European Journal of Clinical Nutrition. 65 (8): 965–971. doi:10.1038/ejcn.2011.53. PMID 21540874. Retrieved January 8, 2016.

Vegetarianism may be adopted for various reasons. Many people object to eating meat out of respect for sentient life. Such ethical motivations have been codified under various religious beliefs, as well as animal rights advocacy. Other motivations for vegetarianism are health-related, political, environmental, cultural, aesthetic, economic, or personal preference. There are variations of the diet as well: an ovo-lacto vegetarian diet includes both eggs and dairy products, an ovo-vegetarian diet includes eggs but not dairy products, and a lacto-vegetarian diet includes dairy products but not eggs. A vegan diet excludes all animal products, including eggs and dairy. Some vegans also avoid other animal products such as beeswax, leather or silk clothing, and goose-fat shoe polish.
Obviously, it’s still possible to lose weight on any diet – just eat fewer calories than you burn, right? The problem with this simplistic advice is that it ignores the elephant in the room: Hunger. Most people don’t like to “just eat less”, i.e. being hungry forever. That’s dieting for masochists. Sooner or later, a normal person will give up and eat, hence the prevalence of “yo-yo dieting”.

^ Key, T. J.; Fraser, G. E.; Thorogood, M.; Appleby, P. N.; Beral, V.; Reeves, G.; Burr, M. L.; Chang-Claude, J.; Frentzel-Beyme, R.; Kuzma, J. W.; Mann, J.; McPherson, K. (September 1, 1999). "Mortality in vegetarians and nonvegetarians: detailed findings from a collaborative analysis of 5 prospective studies". The American Journal of Clinical Nutrition. 70 (3 Suppl): 516S–524S. doi:10.1079/phn19980006. ISSN 0002-9165. PMID 10479225.
^ Datta, P. T. Jyothi (September 4, 2001). "Health goes dotty with brown eggs & green milk". Hindu Business Line. New Delhi: Kasturi & Sons (published September 5, 2001). Archived from the original on March 19, 2018. Retrieved March 18, 2018. For discerning consumers, a recent Health Ministry notification had made it mandatory for packed food containing animal parts contained in a box, to sport a brown dot prominently on its label.
I also understand that many people today choose to follow a vegan or vegetarian diet because there’s so much improper treatment of livestock and other animals. While I totally agree that this is sad and common, there are companies that abide by organic and Biblically based standards. If you’re willing to consume high-quality animal proteins in small or moderate amounts, I’d definitely suggest seeking out these types of companies so you can feel good about your source.
Does this mean that everyone should give up all animal-derived foods in their diets? Not necessarily. Overall I believe it’s possible to be healthy as a vegetarian, or better yet a pescatarian, but for reasons I’ll explain more about below, when it comes to the pros and cons of being a vegan (meaning giving up ALL animal foods), in my opinion it’s usually not ideal.
A body of research out of Pennsylvania State University finds that eating water-rich foods such as zucchini, tomatoes, and cucumbers during meals reduces your overall calorie consumption. Other water-rich foods include soups and salads. You won’t get the same benefits by just drinking your water, though (but you will get other benefits of staying hydrated). Because the body processes hunger and thirst through different mechanisms, it simply doesn’t register a sense of fullness with water (or soda, tea, coffee, or juice). Here are 15 weight loss tips doctors wish you would stop following.

Vegetarian diets typically contain similar levels of iron to non-vegetarian diets, but this has lower bioavailability than iron from meat sources, and its absorption can sometimes be inhibited by other dietary constituents.[81] According to the Vegetarian Resource Group, consuming food that contains vitamin C, such as citrus fruit or juices, tomatoes, or broccoli, is a good way to increase the amount of iron absorbed at a meal.[82] Vegetarian foods rich in iron include black beans, cashews, hempseed, kidney beans, broccoli, lentils, oatmeal, raisins, spinach, cabbage, lettuce, black-eyed peas, soybeans, many breakfast cereals, sunflower seeds, chickpeas, tomato juice, tempeh, molasses, thyme, and whole-wheat bread.[83] The related vegan diets can often be higher in iron than vegetarian diets, because dairy products are low in iron.[68] Iron stores often tend to be lower in vegetarians than non-vegetarians, and a few small studies report very high rates of iron deficiency (up to 40%,[84] and 58%[85] of the respective vegetarian or vegan groups). However, the American Dietetic Association states that iron deficiency is no more common in vegetarians than non-vegetarians (adult males are rarely iron deficient); iron deficiency anaemia is rare no matter the diet.[86]

The pioneers of the Adventist Church had much to do with the common acceptance of breakfast cereals into the Western diet, and the "modern commercial concept of cereal food" originated among Adventists.[165] John Harvey Kellogg was one of the early founders of Adventist health work. His development of breakfast cereals as a health food led to the founding of Kellogg's by his brother William. In both Australia and New Zealand, the church-owned Sanitarium Health and Wellbeing Company is a leading manufacturer of health and vegetarian-related products, most prominently Weet-Bix.
… that lists sugar, fructose, or corn syrup among the first four ingredients on the label. You should be able to find a lower-sugar version of the same type of food. If you can’t, grab a piece of fruit instead, especially if you show signs you’re eating too much sugar. Look for sugar-free varieties of foods such as ketchup, mayonnaise, and salad dressing. Also, avoid partially hydrogenated foods, and look for more than two grams of fiber per 100 calories in all grain products. Finally, a short ingredient list means fewer flavor enhancers and empty calories. Sounds impossible, but you can actually learn how to give up sugar without missing it.
The first discovered written use of the term "vegetarian" originated in 1839 and refers to what was previously described as a vegetable regimen or diet, for example in print in 1811.[12] Modern dictionaries based on scientific linguistic principles have always explained its origin as an irregular compound of vegetable (in the adjectival sense of any plant still common today)[13] and the suffix -arian (in the sense of "supporter, believer" as in humanitarian), but there were amateur attempts, even by a Latin scholar not trained in linguistics, to find other origins of the word.[14] The term was popularized with the foundation of the Vegetarian Society in Manchester in 1847,[15] although it may have appeared in print before 1847.[15][16][17] The earliest occurrences of the term seem to be related to Alcott House—a school on the north side of Ham Common, London—which was opened in July 1838 by James Pierrepont Greaves.[16][17][18] From 1841, it was known as A Concordium, or Industry Harmony College, from which time the institution began to publish its own pamphlet entitled The Healthian, which provides some of the earliest appearances of the term "vegetarian".[16]
^ Trichopoulou A, Orfanos P, Norat T, Bueno-de-Mesquita B, Ocké MC, Peeters PH, van der Schouw YT, Boeing H, Hoffmann K, Boffetta P, Nagel G, Masala G, Krogh V, Panico S, Tumino R, Vineis P, Bamia C, Naska A, Benetou V, Ferrari P, Slimani N, Pera G, Martinez-Garcia C, Navarro C, Rodriguez-Barranco M, Dorronsoro M, Spencer EA, Key TJ, Bingham S, Khaw KT, Kesse E, Clavel-Chapelon F, Boutron-Ruault MC, Berglund G, Wirfalt E, Hallmans G, Johansson I, Tjonneland A, Olsen A, Overvad K, Hundborg HH, Riboli E, Trichopoulos D (2005). "Modified Mediterranean diet and survival: EPIC-elderly prospective cohort study". BMJ. 330 (7498): 991. doi:10.1136/bmj.38415.644155.8F. PMC 557144. PMID 15820966. Lay summary.
My diet is personally about 70 percent plants and 30 percent animal-derived foods. I usually consume about 70 percent raw plant-based foods, and 30 percent of my diet is organic grass-fed beef, organic pastured dairy, wild-caught fish (wild-caught salmon is my favorite), and free-range organic poultry and eggs. I’ve tried a number of diets, including vegetarian, vegan and pescatarian, and have found I really feel the best following this ratio. I call this ratio the healing foods diet and have also found this to have the best results with my patients, as well. Here’s the new, updated healing foods shopping list so you can have an extensive food guide to follow. If it’s on the list, it’s good to go.
Princeton University professor and animal rights activist Peter Singer believes that if alternative means of survival exist, one ought to choose the option that does not cause unnecessary harm to animals. Most ethical vegetarians argue that the same reasons exist against killing animals in the flesh to eat as against killing humans to eat, especially humans with cognitive abilities equal or lesser than the animals in question. Singer, in his book Animal Liberation, listed possible qualities of sentience in non-human creatures that gave such creatures the scope to be considered under utilitarian ethics, and this has been widely referenced by animal rights campaigners and vegetarians. Ethical vegetarians also believe that killing an animal, like killing a human, especially one who has equal or lesser cognitive abilities than the animals in question, can only be justified in extreme circumstances and that consuming a living creature for its enjoyable taste, convenience, or nutrition value is not a sufficient cause. Another common view is that humans are morally conscious of their behavior in a way other animals are not, and therefore subject to higher standards.[123] One author proposes that denying the right to life and humane treatment to animals with equal or greater cognitive abilities than mentally disabled humans is an arbitrary and discriminatory practice based on habit instead of logic.[124] Opponents of ethical vegetarianism argue that animals are not moral equals to humans and so consider the comparison of eating livestock with killing people to be fallacious. This view does not excuse cruelty, but maintains that animals do not possess the rights a human has.[125]

Packaged and processed foods, such as cakes, cookies, candies, chocolate, yogurt, and marshmallows, often contain unfamiliar animal ingredients, so may be a special concern for vegetarians due to the likelihood of such additions.[3][5] Often, prior to purchase or consumption, vegetarians will scrutinize products for animal-derived ingredients.[5] Vegetarians' feelings vary with regard to these ingredients. For example, while some vegetarians may be unaware of animal-derived rennet's role in the production of cheese, and may therefore unknowingly consume the product,[3][6][7] other vegetarians may not take issue with its consumption.[3][4] 

The reason we’re suggesting 45 minutes instead of the typical 30 as one of the ways to lose weight is that a Duke University study found that while 30 minutes of daily walking is enough to prevent weight gain in most relatively sedentary people, exercise beyond 30 minutes results in weight and fat loss. Burning an additional 300 calories a day with three miles of brisk walking (45 minutes should do it) could help you lose 30 pounds in a year without even changing how much you’re eating. Here are 20 hidden reasons your diet isn’t working.
All meals are important, but breakfast is what helps you start your day on the right track. The best, heartiest breakfasts are ones that will fill you up, keep you satisfied, and stave off cravings later in the day. Aim to eat anywhere between 400 and 500 calories for your morning meal, and make sure you're including a source of lean protein plus filling fat (e.g., eggs, beans, unsweetened Greek yogurt, nuts, or nut butters) and fiber (veggies, fruit, or 100% whole grains). Starting your day with a blood sugar-stabilizing blend of nutrients will help you slim down without sacrifice.

The Adventist health study is again incorporated into a metastudy titled "Does low meat consumption increase life expectancy in humans?" published in American Journal of Clinical Nutrition, which concluded that low meat eating (less than once per week) and other lifestyle choices significantly increase life expectancy, relative to a group with high meat intake. The study concluded that "The findings from one cohort of healthy adults raises the possibility that long-term (≥ 2 decades) adherence to a vegetarian diet can further produce a significant 3.6-y increase in life expectancy." However, the study also concluded that "Some of the variation in the survival advantage in vegetarians may have been due to marked differences between studies in adjustment for confounders, the definition of vegetarian, measurement error, age distribution, the healthy volunteer effect, and intake of specific plant foods by the vegetarians." It further states that "This raises the possibility that a low-meat, high plant-food dietary pattern may be the true causal protective factor rather than simply elimination of meat from the diet." In a recent review of studies relating low-meat diet patterns to all-cause mortality, Singh noted that "5 out of 5 studies indicated that adults who followed a low meat, high plant-food diet pattern experienced significant or marginally significant decreases in mortality risk relative to other patterns of intake."[117]

Additionally, vegetarian diets eliminate processed meats, which are also considered carcinogenic. These include foods like packaged cold cuts, hot dogs, salami and cured meats. On the other hand, plant-based proteins offer amino acids (the specific types and amount differs from food to food) in addition to fiber and antioxidants, but without the carcinogenic effects.
We’ve now arrived at tip number 16. If you’re still having trouble losing weight, despite following the 15 pieces of advice listed above, it might be a good idea to bring out the heavy artillery: optimal ketosis. Many people stalling at weight plateaus while on a low-carb diet have found optimal ketosis helpful. It’s what can melt the fat off once again.
According to Canon Law, Roman Catholics ages 14 and older are required to abstain from meat (defined as all mammal and fowl flesh and organs, excluding water animals) on Ash Wednesday and all Fridays of Lent including Good Friday. Canon Law also obliges Catholics to abstain from meat on the Fridays of the year outside of Lent (excluding certain holy days) unless, with the permission of the local conference of bishops, another penitential act is substituted. The restrictions on eating meat on these days is solely as an act of penance and not because of a religious objection to eating meat.[163]
Some followers of Islam, or Muslims, chose to be vegetarian for health, ethical, or personal reasons. However, the choice to become vegetarian for non-medical reasons can sometimes be controversial due to conflicting fatwas and differing interpretations of the Quran. Though some more traditional Muslims may keep quiet about their vegetarian diet, the number of vegetarian Muslims is increasing.[176][177]

Seventh-day Adventists are encouraged to engage in healthy eating practices, and ova-lacto-vegetarian diets are recommended by the General Conference of Seventh-day Adventists Nutrition Council (GCNC). They have also sponsored and participated in many scientific studies exploring the impact of dietary decisions upon health outcomes.[158] The GCNC has in addition adapted the USDA's food pyramid for a vegetarian dietary approach.[158][159] However, the only kinds of meat specifically frowned upon by the SDA health message are unclean meats, or those forbidden in scripture.[160]

Side effects of fasting may include headaches, weakness, muscle aches, nausea, lightheadedness, irritability, racing heart, exacerbation of joint symptoms, mild abdominal discomfort, and hunger. However, everyone reacts differently to detoxing. While one person may feel energized and revitalized, another may feel sluggish. Generally it is reported that hunger disappear after the first day.