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...and while folate fortification is mandatory in eg USA; here's a study which suggest that synthetic folate from fortified foods is associate with an increased breast cancer risk: ...

Meat eaters often have low folate levels, vegans often have low B12 levels. Here's a study which suggests that the low folate levels is associated with increased risk of esophageal squamous cell...

Here's yet another report documenting that the average non-vegans often are short in a number of nutrients:
http://www.sciencedaily.com/releases/2013/10/131031090348.htm

The first of the two links above seems dead - here's a new one which should work:
...

Hi, I haven't looked at your new link yet, but don't forget that even if the average level of eg. B12 in eg. USA is 100% of the RDA (or more), there may still be 100 million people there who have too...

If your question is "what are the common nutritional deficiencies in general?", and this thread is about that topic, it's a better idea to post your question here, for a number of reasons - and that...

Hi, I merged your thread with the thread your quote comes from - there are lots of references to common nutritional deficiencies here...

Some do. Lots of people don't exercise - neither before or after they have become vegans, and I don't think I know of anyone who stopped drinking when they became vegans. Many vegans/others don't...

Vegetarian diets: what are the advantages? (2005)
Institute of Nutritional Sciences, University of Giessen, Giessen, Germany. claus.leitzmann@ernaehrung.uni-giessen.de

Various studies suggest the 30-40% of non-vegans either have low B12 levels or even are B12 deficient. Several studies also suggest that either only 1 or zero percent of the population do not have...

Folate is found in many of plants - in generous amounts, but people on a mixed (plants/meat) diet often have a problem getting enough folate, which this study documents:

The effect of folic acid...

According to this study on 150 Japanese female students aged 21-22, "46.7% of the females showed sufficient intake for vitamin A, 28.7% for E, 80.7% for B1, 92.7% for B2, 54.7% for B6, 99.3% for...

Here's a study concluding that a vitamin B12 deficiency (<150pg/mL) was detected in only 2.0% (males) and 1.0% (females) of the Korean adults. This was not a study on vegans, but it would be...

Here's an excerpt from a study that compares the anti-oxidant levels in vegans, and compares it with both the US recommended dietary allowances (RDA) and meat eaters:

...and - also from http://www.newstarget.com/016208.html


That quote looks like people would have to get folate from either only eating spinach or only eating oranges. What's wrong with these...

Here's some new information about Vitamin D deficiency, published last week:



According to this article, "statistics show that about 40% of the United States population is vitamin D deficient...

Sure... Vegans need to pay extra attention to B12 just like non-vegans need to pay extra attention to folate - both nutrients are needed. Even if eg. folate may be helpful for people who are low in...

http://www.vegetarian.org.uk/factsheets/b12factsheet.html

Yes, it's amazing to see how many non-vegans who believe that vegans need to be more worried about healthy nutrient levels than non-vegans. OTOH, we can't really blame them, because balanced info...

Here's another site referring to general (non-vegan) studies of nutrient deficiencies.

One study shows the difference between nutrient values in organic vs. non-organic food, the other shows...

Here's what the American Dietetic Association and Dietitians of Canada says about nutrient levels in vegans and vegetarians:



Maybe I should add the 'planning' part of it disappears when eating...

Yes, B12 has been measured in soy beans (look here), but that doesn't mean that soy always is a reliable source, that all vegans eat soy, that the B12 is soy (always) is bioavailable, that the amount...

From what I've heard, taking all three tests is recommended, especially if the B12 test itself shows low results or if you expect your levels to be low.

When articles and studies describe B12 deficiencies among non-vegans, which this thread is about, they are often based on blood serum testing, and not on a complete test of B12, MMA and homocysteine...

This list from http://www.energywave.com/about-vitamins-minerals-herbs/Common-Nutrient-Deficiencies.htm shows that a lot of people are deficient in a lot of nutrients (this is not a study on...

Here's some more info related to nutrient deficiency among non-vegans:

From http://1stholistic.com/Nutrition/hol_nutr-deficiency.htm

They also suffer more from dementia.

From PubMed:

According to this link, 34% of all meat eaters are B12 deficient:

The fiber supplement suggestion wasn't meant for vegans, who eat a lot of fibers, but of course, I agree that it's better for them to reduce the intake of animal products and increase the intake of...

Pao EM, Mickle SJ. Problem nutrients in the United States. Food Technology 1981;35:58–79.

Pennington JA, Young BE, Wilson DB. Nutritional elements in U.S. diets: results from the Total Diet...

Fiber common deficiency among non-vegans:

http://www.drmyattswellnessclub.com/fiberchoices.htm

(This is from a non-vegan site: http://www.fi.edu/brain/micro.htm )

In a way, it's strange that people who eat other living beings' liver, muscles, fat and blood should be deficient in nutrients. After all, they eat the nutrient reserves other plant eating animals...

From http://www.infoaging.org/l-nutr-7-r-immune.html :

From http://www.consumerreports.org/main/crh/displayc.jsp?CONTENT%3C%3Ecnt_id=368007 :

From http://www.yourhealthbase.com/vitamin_B12.html :