The problem with fasting is that due to severe calorie restriction, your basal metabolic rate (BMR) will decrease. It is thought that fasting can decrease the body’s metabolism by up to 22%. This means that your metabolism will slow down and theoretically, if you were to eat the same amount of calories you did before you started fasting, immediately on the stopping the fast, you would put on weight – not “water weight”, but fat. If this were to happen, you would end up with a higher body fat percentage than when you started.
A number of medieval rabbis (e.g., Joseph Albo and Isaac Arama) regard vegetarianism as a moral ideal because the slaughter of animals might cause the individual who performs such acts to develop negative character traits. Many modern rabbis, by contrast, advocate vegetarianism or veganism primarily because of concerns about animal welfare, especially in light of the traditional prohibition on causing unnecessary "pain to living creatures" (tza'ar ba'alei hayyim).[187]
^ Mortimer, Ian (January 2010) [Originally published in Great Britain in 2008 by Random House UK]. "What to Eat and Drink: Noble Households". In Sulkin, Will; Hensgen, Jörg. The Time Traveler's Guide to Medieval England (Hardcover) (1st Touchstone hardcover ed.). New York, NY: Touchstone (Simon & Schuster). p. 140. ISBN 978-1-4391-1289-2. Seals, porpoises, dolphins, barnacle geese, puffins, and beavers are all classed as fish as their lives begin in the sea or in a river. Hence they are eaten gleefully, even on nonmeat days.
As mentioned above, many people can benefit from adding more raw foods to their diets, assuming their digestive systems tolerate them well. You don’t have to follow a strict raw vegan food diet to reap the benefits of eating more plant foods. “Raw foods” in the context of a vegetarian/vegan diet consist of those that have not been heated over 46º C or 115º F. Some of the best raw foods to include in your diet often include:

^ Jump up to: a b c "Vegetarians don't eat fish, shellfish or crustacea, but they can still enjoy one of the healthiest diets available". Vegetarian Society. Archived from the original on March 4, 2016. Retrieved March 18, 2018. Many things have changed since the Vegetarian Society was founded way back in 1847, but fish have always been cold-blooded water dwelling animals and vegetarians do not eat animals.
It may not be necessary to completely exclude all animal proteins from your diet. To prevent issues like vitamin B12 deficiency, iron deficiency anemia and low protein intake, it may be best to still consume some eggs, dairy or fish. A well-balanced vegetarian diet should also include lots of raw and cooked veggies, limited processed foods, low amounts of added sugar, and little refined grain products.

Various ethical reasons have been suggested for choosing vegetarianism, usually predicated on the interests of non-human animals. In many societies, controversy and debate have arisen over the ethics of eating animals. Some people, while not vegetarians, refuse to eat the flesh of certain animals due to cultural taboo, such as cats, dogs, horses or rabbits. Others support meat eating for scientific, nutritional and cultural reasons, including religious ones. Some meat eaters abstain from the meat of animals reared in particular ways, such as factory farms, or avoid certain meats, such as veal or foie gras. Some people follow vegetarian or vegan diets not because of moral concerns involving the raising or consumption of animals in general, but because of concerns about the specific treatment and practises involved in the raising and slaughter of animals, i.e. factory farming and the industrialisation of animal slaughter. Others still avoid meat because meat production is claimed to place a greater burden on the environment than production of an equivalent amount of plant protein.
Ultimately, weight loss for the long-term requires some short-term behavior change and healthier habit formation. That's why we created our Good Housekeeping Nutritionist Approved Emblem, which exists to help turn smart food choices into healthier eating habits. All GHNA foods and drinks make it easier to find — and eat — good-for-you foods without additional time, effort, and cost. We target the lifestyle-related factors that make healthier eating hard, and find simple but creative solutions that actually work! Look for the emblem on labels wherever you shop for food!
High blood sugar levels coupled with high blood ketones, on the other hand, will mean that you have a pathologically low level of insulin – something non-diabetics do not suffer from. This can lead to ketoacidosis – a potentially life-threatening condition. If this happens, you’ll need to inject more insulin; if you’re at all unsure of what to do, contact a medical professional. Coveting really high blood ketones for weight control is not worth the risk for type 1 diabetics.
^ Jump up to: a b Key TJ, Fraser GE, Thorogood M, Appleby PN, Beral V, Reeves G, Burr ML, Chang-Claude J, Frentzel-Beyme R, Kuzma JW, Mann J, McPherson K (September 1999). "Mortality in vegetarians and non-vegetarians: detailed findings from a collaborative analysis of 5 prospective studies". American Journal of Clinical Nutrition. 70 (3): 516S–524S. doi:10.1079/phn19980006. PMID 10479225. Retrieved October 30, 2009.

^ "Buddhism and Vegetarianism, The Rationale for the Buddha's Views on the Consumption of Meat" Archived October 7, 2013, at the Wayback Machine. by Dr V. A. Gunasekara" 'The rule of vegetarianism was the fifth of a list of rules which Devadatta had proposed to the Buddha. Devadatta was the founder of the tapasa movement in Buddhism and his special rules involved ascetic and austere practices (forest-dwelling, wearing only rags, etc). The Buddha rejected all the proposed revisions of Devadatta, and it was in this context that he reiterated the tikoiparisuddha rule. (On this see the author's Western Buddhism and a Theravada heterodoxy, BSQ Tracts on Buddhism'


To make sure you’re eating enough protein and calories in general, don’t skimp on plants that offer amino acids and healthy fats. How much protein should you aim to eat each day? While it might be possible to get away with less, I personally think it’s best to divide your body weight in half and eat about that many grams of protein per day. Some of the best plant proteins include natto, spirulina, tempeh, nutritional yeast, green peas, lentils, quinoa and amaranth.

Essentially, the bodies starvation response kicks in (like a crash diet ), in order to conserve energy. In the first 24 hours of the fast your body will utilize glycogen (easily-accessible storage form of glucose, stored in small quantities in the liver and muscles) to provide energy for your various body processes to keep functioning. Once your carbohydrate reserves have been exhausted, your body utilizes stored fats. After several days of fasting, your body begins to break down protein, which is converted into glucose. Much of our muscle mass is protein and thus muscle tissue is often lost.


Many adherents of vegetarianism and veganism – former Beatle Paul McCartney and actor Alec Baldwin are two celebrities who happily promote the cause -- regard a flesh-free diet not only as more healthful, but as a more ethical way to live. They point to the cruel practices and the high environmental cost of raising animals for food as reasons for excluding meat from the diet.
Basically, the effect of exercise on our weight is vastly overrated. That’s why it’s only number 15 on this list. There are other things you need to take care of first. It’s not a good idea to eat bad food, drink sugar water (so-called “sports drinks”) or be on medications which force you to exercise for hours daily just to compensate. Metaphorically that’s like digging a hole, into which you put your ladder, on which you stand and paint the basement-level windows of your house.
^ 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.
Protein intake in vegetarian diets is lower than in meat diets but can meet the daily requirements for most people.[70] Studies at Harvard University as well as other studies conducted in the United States, United Kingdom, Canada, Australia, New Zealand and various European countries, confirmed vegetarian diets provide sufficient protein intake as long as a variety of plant sources are available and consumed.[71] Pumpkin seeds, peanut butter, hemp seed, almonds, pistachio nuts, flaxseed, tofu, oats, soybeans, walnuts, are great sources of protein for vegetarians. Proteins are composed of amino acids, and a common concern with protein acquired from vegetable sources is an adequate intake of the essential amino acids, which cannot be synthesised by the human body. While dairy and egg products provide complete sources for ovo-lacto vegetarian, several vegetable sources have significant amounts of all eight types of essential amino acids, including lupin beans, soy,[72] hempseed, chia seed,[73] amaranth,[74] buckwheat,[75] pumpkin seeds[76] spirulina,[77] pistachios,[78] and quinoa.[79] However, the essential amino acids can also be obtained by eating a variety of complementary plant sources that, in combination, provide all eight essential amino acids (e.g. brown rice and beans, or hummus and pita, though protein combining in the same meal is not necessary[citation needed]). A 1994 study found a varied intake of such sources can be adequate.[80]
^ Jump up to: a b Key TJ, Fraser GE, Thorogood M, Appleby PN, Beral V, Reeves G, Burr ML, Chang-Claude J, Frentzel-Beyme R, Kuzma JW, Mann J, McPherson K (September 1999). "Mortality in vegetarians and non-vegetarians: detailed findings from a collaborative analysis of 5 prospective studies". American Journal of Clinical Nutrition. 70 (3): 516S–524S. doi:10.1079/phn19980006. PMID 10479225. Retrieved October 30, 2009.

Protein intake in vegetarian diets is lower than in meat diets but can meet the daily requirements for most people.[70] Studies at Harvard University as well as other studies conducted in the United States, United Kingdom, Canada, Australia, New Zealand and various European countries, confirmed vegetarian diets provide sufficient protein intake as long as a variety of plant sources are available and consumed.[71] Pumpkin seeds, peanut butter, hemp seed, almonds, pistachio nuts, flaxseed, tofu, oats, soybeans, walnuts, are great sources of protein for vegetarians. Proteins are composed of amino acids, and a common concern with protein acquired from vegetable sources is an adequate intake of the essential amino acids, which cannot be synthesised by the human body. While dairy and egg products provide complete sources for ovo-lacto vegetarian, several vegetable sources have significant amounts of all eight types of essential amino acids, including lupin beans, soy,[72] hempseed, chia seed,[73] amaranth,[74] buckwheat,[75] pumpkin seeds[76] spirulina,[77] pistachios,[78] and quinoa.[79] However, the essential amino acids can also be obtained by eating a variety of complementary plant sources that, in combination, provide all eight essential amino acids (e.g. brown rice and beans, or hummus and pita, though protein combining in the same meal is not necessary[citation needed]). A 1994 study found a varied intake of such sources can be adequate.[80]
As mentioned above, many people can benefit from adding more raw foods to their diets, assuming their digestive systems tolerate them well. You don’t have to follow a strict raw vegan food diet to reap the benefits of eating more plant foods. “Raw foods” in the context of a vegetarian/vegan diet consist of those that have not been heated over 46º C or 115º F. Some of the best raw foods to include in your diet often include:

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.
If you want to lose weight you should start by avoiding sugar and starch (like bread, pasta and potatoes). This is an old idea: For 150 years or more there have been a huge number of weight-loss diets based on eating fewer carbs. What’s new is that dozens of modern scientific studies have proven that, yes, low carb is the most effective way to lose weight.
^ Jump up to: a b Keevican, Michael (November 5, 2003). "What's in Your Cheese?". Vegetarian Resource Group. Archived from the original on March 18, 2018. Retrieved March 18, 2018. Many vegetarians don't consider that some of the cheeses they are eating could actually contain unfamiliar animal ingredients. That's right cheese, a common staple in many vegetarian diets, is often made with rennet or rennin, which is used to coagulate the dairy product.
The simplest definition of vegetarianism is a diet free of meat, fish, and fowl flesh. But eating habits of vegetarians cover a wide spectrum. At one end are lacto-ovo vegetarians, who avoid animal flesh but eat eggs and milk products. At the other end are vegans, who forgo eating (and often wearing) all animal-based products, including honey. Raw foodists are vegans who eat mainly raw fruits, vegetables, legumes, sprouts, and nuts. 
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