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Comment by nezzle | Hacker News Reader

We clearly eat far more meat than we need and produce/harvest meat in ways that create unnecessary damage and suffering.

However, not everyone is like you. Some people develop deficiencies when they exclude meat from their diet. I have witnessed an ex-vegan health/nutritional professional advise a vegetarian to start eating some meat due to chronic health issues and lab-tested nutritional deficiencies.

It was an hard journey for both of them.

I'm glad it works for you right now while providing a sense of moral superiority, but not everyone is the same.

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Ok, that person couldn't live and be healthy without meat, so the quote doesn't apply to them. Most people can.

> I'm glad it works for you right now while providing a sense of moral superiority, but not everyone is the same.

Come on.

> Most people can.

Any sources? Most of the professionals seem to think otherwise.

A source that most people can live and be healthy without eating meat? I don't. I looked for one and I can't find one. I seriously think that it's too self-evident to have warranted much study. There are hundreds of millions of vegetarians and they seem to be doing okay.

I'm not arguing that it's healthier or you can live longer, just that most people can be healthy and live.

Do you have a source that most professionals believe that most people can't live and be healthy on a vegetarian diet?

[Academy of Nutrition and Dietetics](https://www.ncbi.nlm.nih.gov/pubmed/27886704/)** * It is the position of the Academy of Nutrition and Dietetics that appropriately planned vegetarian, including vegan, diets are healthful, nutritionally adequate, and may provide health benefits for the prevention and treatment of certain diseases. These diets are appropriate for all stages of the life cycle, including pregnancy, lactation, infancy, childhood, adolescence, older adulthood, and for athletes.

[Dietitians of Canada](https://www.dietitians.ca/Downloads/Factsheets/Guidlines-for... * A healthy vegan diet can meet all your nutrient needs at any stage of life including when you are pregnant, breastfeeding or for older adults.

[The British National Health Service](http://www.nhs.uk/Livewell/Vegetarianhealth/Pages/Vegandiets... * With good planning and an understanding of what makes up a healthy, balanced vegan diet, you can get all the nutrients your body needs.

[The British Nutrition Foundation](http://www.nutrition.org.uk/publications/briefingpapers/vege... * A well-planned, balanced vegetarian or vegan diet can be nutritionally adequate ... Studies of UK vegetarian and vegan children have revealed that their growth and development are within the normal range.

[The Dietitians Association of Australia](https://daa.asn.au/smart-eating-for-you/smart-eating-fast-fa... * Vegan diets are a type of vegetarian diet, where only plant-based foods are eaten. With good planning, those following a vegan diet can cover all their nutrient bases, but there are some extra things to consider.

[The United States Department of Agriculture](http://www.choosemyplate.gov/tips-vegetarians)** * Vegetarian diets (see context) can meet all the recommendations for nutrients. The key is to consume a variety of foods and the right amount of foods to meet your calorie needs. Follow the food group recommendations for your age, sex, and activity level to get the right amount of food and the variety of foods needed for nutrient adequacy. Nutrients that vegetarians may need to focus on include protein, iron, calcium, zinc, and vitamin B12.

[The National Health and Medical Research Council](https://www.nhmrc.gov.au/_files_nhmrc/file/publications/n55_... * Appropriately planned vegetarian diets, including total vegetarian or vegan diets, are healthy and nutritionally adequate. Well-planned vegetarian diets are appropriate for individuals during all stages of the lifecycle. Those following a strict vegetarian or vegan diet can meet nutrient requirements as long as energy needs are met and an appropriate variety of plant foods are eaten throughout the day

[The Mayo Clinic](http://www.mayoclinic.org/healthy-living/nutrition-and-healt... * A well-planned vegetarian diet (see context) can meet the needs of people of all ages, including children, teenagers, and pregnant or breast-feeding women. The key is to be aware of your nutritional needs so that you plan a diet that meets them.

[The Heart and Stroke Foundation of Canada](https://www.heartandstroke.ca/get-healthy/healthy-eating/spe... * Vegetarian diets (see context) can provide all the nutrients you need at any age, as well as some additional health benefits.

[Harvard Medical School](http://www.health.harvard.edu/staying-healthy/becoming-a-veg... * Traditionally, research into vegetarianism focused mainly on potential nutritional deficiencies, but in recent years, the pendulum has swung the other way, and studies are confirming the health benefits of meat-free eating. Nowadays, plant-based eating is recognized as not only nutritionally sufficient but also as a way to reduce the risk for many chronic illnesses.

[British Dietetic Association](https://www.bda.uk.com/foodfacts/vegetarianfoodfacts.pdf)** * Well planned vegetarian diets (see context) can be nutritious and healthy. They are associated with lower risks of heart disease, high blood pressure, Type 2 diabetes, obesity, certain cancers and lower cholesterol levels. This could be because such diets are lower in saturated fat, contain fewer calories and more fiber and phytonutrients/phytochemicals (these can have protective properties) than non-vegetarian diets. (...) Well-planned vegetarian diets are appropriate for all stages of life and have many benefits.

Thank you!

40% of India is vegetarian. Approx. half a billion people. It is very hard to believe that they suffer from deficiencies. However, the 'vegetarian' food in the west is mostly salad and potatoes, a far cry from the variety of veggies found in tropical countries.

[1] http://www.thehindu.com/opinion/blogs/blog-datadelve/article...

> Some people develop deficiencies when they exclude meat from their diet.

I'm one of those people.

Personally, I think refraining from consuming animals is the morally superior option—nothing to do with health. In the longer history of humankind I hope that's the direction we take. I'd happily take an artificial steak made of a complex of vegetable proteins, fast, etc that tastes like prime beef over slaughtering an animal if it contains all the similar nutrients that are absorbed the same way...

My sister-in-law and brother—both former/current athletes—are vegan and vegetarian, respectively, and make great work of the diet. She runs a vegan recipe blog, and he keeps in great physical shape as a provincial police officer while restricting his animal consumption to eggs and dairy.

I unfortunately inherited deficiencies in B12, Iron, and other deficiencies from my mother's side. She, in her old age, has to resort to transfusions once every few years to live. Wouldn't wish it upon anybody. I like to think I can fare much better.

It got to the point in my own restricted diet where my doctor explicitly instructed me to eat a lot more red meat. After some time I've reduced my intake there, and increased my sublingual B12, but still need to keep up enough other nutrients (forgive my omitting details) to keep up.

The difference that appropriate nutrition has isn't limited to the physical, either.

Nutrition is a very complex problem.

> Personally, I think refraining from consuming animals is the morally superior option—nothing to do with health.

Personally, I can see zero moral difference between killing an animal for food, and killing a plant for food. If one is unacceptable, then so should be the other.

It's pretty off topic for the general discussion, but ideas surrounding this really interest me and I'd be happy to discuss them outside of this venue if you'd like.

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