way of life and diet that rejects the use of animals and their by-products From Wikipedia, the free encyclopedia
Veganism is a philosophy that says people should not use animals. There are vegans who choose not to eat animals, and vegans who choose not to use them in any other way either.
Vegans do not eat or drink food that comes from animals, including meat, eggs and dairy products (like milk, cheese, and yogurt). A vegan diet is sometimes called a strict vegetarian diet. Some vegans also do not eat honey.[1] Many vegans try not to use any other animal products, such as leather, wool, feathers, bone, or pearl. They also try not to buy or use products that have been tested on animals. They may support animal welfare and animal rights, and may campaign for these causes.
Vegans eat fruits, vegetables, beans, grains, nuts, and seeds, and types of food made from them like vegan sweets, vegan cheese and vegan cakes.
Dorothy Morgan and Donald Watson invented the word "vegan" in 1944 when they formed the Vegan Society in the United Kingdom.[2][3][4]
Some people become vegan because they disagree with the treatment of animals in the modern animal farm industry. Other reasons to become vegan are for health, religious reasons, to protect the environment, or because of world hunger. Animals eat a lot and take up a lot of resources. By not producing meat, milk, or eggs, a lot of food, land (as of 2006, 30% of the earth's land mass is used raising animals for food[5]) and water can be saved. For example, it takes about 16 pounds of grain to make 1 pound of grain-fed meat, so eating plants directly takes fewer resources.[6] There is also the issue of antibiotic use in the industry. Animals are given antibiotics so often that the risk of bacteria becoming resistant to antibiotics is very possible in the near future.
Some vegans only eat foods that have not been cooked. Their diet is called raw veganism. Another more restrictive type of veganism is fruitarianism. Fruitarians only eat foods that can be harvested without harming or killing a plant.
Vegans must make sure their diet includes enough vitamin B12, because it does not occur reliably in plant foods.[7][8][9] Vitamin B12 deficiency can have serious bad effects on the person's health. These might include anaemia and neurodegenerative diseases.[10] California-based dietitian nutritionist Ashley Lytwyn said “Nutrients like B12 can be tough to get with a vegan diet, and the iron in vegetables isn’t as bioavailable as iron in animal proteins.” “Even if he ate enough iron-rich vegetables, the body can’t always absorb what it needs.” [11] Vegan societies recommend that vegans either eat foods with added B12 or take a B12 supplement.[12][13][14] Tempeh, seaweed, spirulina, organic produce, and intestinal bacteria do not have enough B12 for a vegan diet.[7][15][16] Vitamin D deficiency is possible in the absence of dairy products (which are normally fortified with vitamin D). Vitamin D deficiency can lead to rickets in children and osteomalacia in adults. In rickets, bones do not mineralize normally, causing growth retardation and skeletal deformities. It can be prevented by supplements, and by direct injections.[17]
A typical vegan diet contains more iron than other diets. Yet, the incidence of iron deficiency in vegans is similar to omnivores. While legumes, nuts, vegetables, and dried fruits are rich in iron, vegans absorb iron less effectively.
Many people think that it is not healthy to be vegan. However, a vegan diet can have all of the nutrients needed for health.[18] It is just more difficult to get the nutrients because there are fewer foods to choose from.
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