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In The News: Camel Meat — The Latest Health Fad?

07._Camel_Profile,_near_Silverton,_NSW,_07.07.2007Reuters recently featured the newest healthy option on Dubai restaurant menus — camel meat.

“For 20 UAE dirhams ($5.45), the Local House restaurant offers a quarter pound camel burger”, which assistant manager Ali Ahmad Esmail claims are fat-free and cholesterol-free.

Hmmmm… really?

A 1993 study conducted at Saudi Arabia’s King Saud University by the College of Agriculture (and published in Meat Science in 1995) concluded that “in proximate composition, camel meat is generally similar to beef.”

Specifically, camel meat samples were found to contain anywhere from 4.1 to 10.6 percent fat.

Cholesterol, by definition, is present in foods of animal origin and absent in plant-derived foods.  It is impossible for any animal flesh to be cholesterol-free.

More strangely, these fat-free and “health conscious” claims are silly when you consider that these camel burgers are “loaded with cheese”, “smothered in burger sauce”, and served with fries!

Conclusion: mere hype.

Thank you to Robert Jackson for forwarding the Reuters article.

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You Ask, I Answer: Mesquite Powder

mesquite-powderMy local health food store now carries mesquite powder.

Is that the same as mesquite barbeque stuff, like the flavoring in potato chips?

What about it makes it healthy enough to be at a health food store?

– John Amers
New York, NY

Many people are unaware that mesquite trees contain an array of edible components.

The mesquite you refer to (the one used for barbecuing as well as for barbeque-flavored snacks) comes from mesquite tree wood that is processed into chips and then smoked.

The mesquite powder sold in health food stores, however, is the end result of grinding up mesquite tree pods and seeds.

I find that mesquite powder has a delicious caramel-like flavor.  As with maca, I love to add a heaping tablespoon (or two!) to any shake I make with cacao (the flavors complement each other wonderfully).

I know some people also like to add it to pancake batter (it has some thickening properties and can replace a small quantity of flour) and yogurt.

Mesquite powder is a very good source of soluble fiber, manganese, potassium, and zinc.

While it is certainly not inexpensive, a small bag lasts me two to three months.

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You Ask, I Answer: Cucumbers

cucumber_marketmore76_organicI always hear that cucumbers help with weight-loss because they are mostly water and low in calories, but I never see them referred to as being very nutritious.

Are they high in any nutrients?

– Diana Wegfield
(Location withheld)

Cucumbers provide a generous amount of manganese, potassium, vitamin C, and vitamin K.  To get the highest amount of manganese and potassium, be sure to leave the skin on.

Compared to other vegetables, their phytochemical and antioxidant content is low.

That doesn’t mean you shouldn’t enjoy cucumbers.  I don’t believe that every single morsel you put in your mouth has to be chock-full of nutrients.

If, for example, adding sliced cucumbers to a salad helps you eat more dark leafy green vegetables, you’re reaping benefits!

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You Ask, I Answer: Ginger

ginger-root1I love, love, love ginger.

I make my own juices at home three or four times a week and always add one or two hefty chunks of ginger.

I feel fine, but should I be concerned about so much ginger doing something to my intestinal tract?  One of my friends says I should be careful because since ginger is spicy, so much of it could cause ulcers.

– Jordan Yeats
(City withheld), FL

Ah, the “spicy foods cause ulcers” myth.

The vast majority of ulcers are actually caused by h. pylori bacteria.  Stress and spicy foods don’t play any role in ulcer formation.  They can, however, make existing ulcers more painful.

FYI: The h. pylori connection was first made by Australian doctors Barry Marshall and Robin Warren in the early 1980s — and garnered them the 2005 Nobel Prize in Medicine!

Ulcers aside, there is no need for you to be concerned about the amount of ginger you are eating (provided you don’t have certain health conditions such as gallbladder disease or taking cardiac or diabetes medication).

Healthy individuals can reap plenty of health benefits from fresh ginger!

Ginger is not only a powerful anti-inflammatory food (remember, cellular inflammation is the principal factor behind the development of most degenerative diseases), it has also been shown to significantly slow down the reproduction of tumor cells and be a powerful weapon against free radicals.

Ginger is so good at reducing inflammation that it is a wonderful natural remedy to help alleviate arthritis symptoms (as long as it is consumed consistently, of course).

Ginger is also an excellent source of curcumin, the antioxidant in turmeric that helps significantly reduce the risk for a variety of cancers.

Another bonus?  Ginger has been shown to help reduce blood platelet aggregation (thereby helping lower atherosclerosis risk).

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Numbers Game: The Pressured Heart

high-diastolic-blood-pressure-and-high-systolic-blood-pressureCardiovascular disease risk doubles for every ____-point increase in diastolic blood pressure (the bottom number) and every _____-point increase in systolic blood pressure (the top number).

Source: World Health Organization

a) 10/20
b) 15/5
c) 5/10
d) 20/15

Leave your guess in the “comments” section and come back on Tuesday for the answer.

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Grading the Gurus: Michael Pollan

Michael_PollanOne of the most frequent questions I receive via e-mail goes something like this: “What do you think of [enter name of nutrition guru here]?”

For whatever reason, these types of e-mails have significantly increased over the past few months.

Rather than answer these e-mails individually, I figured it would be more helpful to create a new section on the blog where I give my thoughts on many of these gurus — and grade them.

First up — Michael Pollan.

WHO IS HE?

Despite his status as a nutrition guru, Michael Pollan is a journalist and professor at the University of California, Berkeley.

Although he has penned a handful of books throughout his career, he shot to fame in 2006 thanks to the release of The Omnivore’s Dilemma, in which Pollan provides an eye-opening and in-depth look at issues of sustainability, food system chains, agriculture and agribusiness, and, most famously, how crop subsidies (mainly that of corn) have affected food policy, the nutrition landscape, and health in the United States.

That iconic tome was followed by In Defense of Food: An Eater’s Manifesto in 2007, and Food Rules in 2009, both of which mostly expand on issues presented in Omnivore.

WHAT IS HIS MAIN MESSAGE?

Pollan advocates a return to minimally processed food.  His signature advice (and quote) is: “Eat food.  Not too much.  Mostly plants.”

Pollan is a staunch critic of what he calls “nutritionism”, a term that refers to an obsession with one nutrient, rather than actual food (for example, seeking out a sugary cereal that is fortified with omega-3 fatty acids, as opposed to getting that nutrient from a food that naturally contains it).

His latest book — Food Rules — is a compilation of 64 rules to keep in mind when it comes to nutrition, including:

  • “If it came from a plant, eat it; if it was made in a plant, don’t.”
  • “Don’t eat breakfast cereals that change the color of your milk.”
  • “Do all your eating at a table”

WHAT I LIKE:

Unlike other gurus, Pollan approaches nutrition from a holistic standpoint and considers how political, environmental, and economic factors affect the food chain.

He does not focus on a “magic nutrient” or a handful of “superfoods” that allegedly cure diseases or make one invincible.

Pollan’s core advice makes absolute sense — everyone can benefit from cutting down on highly processed foods and eating more fruits, vegetables, whole grains, nuts, and seeds.

Even better, Pollan’s work has brought a formely “niche” issue to the mainstream, and has sparked a significant amount of conversation and debate from classrooms to the White House.

WHAT I DON’T LIKE:

In Pollan’s — or, more likely, his publishers’ — attempt to remain witty and instantly quotable with one-sentence tips, some of his advice is beginning to get watered down and slightly repetitive.

For example, one of Pollan’s “food rules” is to “eat all the junk food you want as long as you cook it yourself.”  Granted, he explains it a little differently:

“If you made all the french fries you ate, you would eat them much less often, if only because they’re so much work. The same holds true for fried chicken, chips, cakes, pies, and ice cream. Enjoy these treats as often as you’re willing to prepare them — chances are good it won’t be every day.”

So, in reality, the advice is to “only eat junk food you make yourself.”

Similarly, some of Pollan’s famous “isms” — such as not eating foods your great-grandmother wouldn’t recognize, and only shopping the perimeter of the supermarket — miss the point.

Plenty of healthy and minimally processed foods — like beans, brown rice, nuts, nut butters, olive oil, spices, and whole grain pasta — are found in the internal aisles of the supermarket.

Additionally, the advice of only eating foods our great-grandmothers would recognize doesn’t take into account globalization.  My great-grandmother in Portugal never ate healthy, whole foods like tempeh, seitan, nori seaweed, or almond milk because they were not part of her cultural culinary makeup.  If she were still alive today, she certainly wouldn’t recognize those foods out of a lineup.

Again, I “get” what Pollan is trying to say — a slice of real cheese is better than Cheetos.  However, this perfectly exemplifies how his attempt to come up with cutesy “-isms” can deliver inaccurate messages.

Another gripe I have with Pollan is his strongly anti-vegetarian viewpoint.

He goes as far as describing vegetarianism as an anti-social practice and one that is “in denial of reality” and a “sacrifice of the human identity”.  In interviews, he has also hinted that vegan diets are not pleasurable, which is quite a presumptous statement.  While vegan diets are not for everyone, vegans get as much pleasure from the food they eat as omnivores do.

BOTTOM LINE:

Despite some unusually strong views on veganism and vegetarianism, as well as a recent reliance on “soundbite advice”, Pollan delivers a powerful, well thought-out, and thorough message that everyone can apply and benefit from.

PS: For a “Cliffs Notes” version of Pollan’s arguments, I highly recommend you read this piece he wrote for The New York Times Magazine in 2007, titled “Unhappy Meals”.

GRADE: A- (B+ if I take into account his “vegetarianism goes against human identity” argument which, really, is peripheral to his core philosophy)

Have your say!  Agree?  Disagree?  Leave a comment.

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You Ask, I Answer: Nutrient Losses in Beans

Kidney-BeansHTMy boyfriend recently bought some dry beans.

After watching him soak and cook the beans, I couldn’t believe that beans are considered good sources of anything – copper, manganese, iron, and whatever else, because they get soaked for so long, and then they’re boiled for soooo long!

I would expect for a lot of the “good stuff” to have leeched out through all of the preparation.

Can you explain why this is not the case?

– Christine Ho
(Location unknown)

Great question, Christine!

I find it a little odd that your boyfriend boiled the beans for a very long time after soaking them, since part of the reason for soaking beans is to significantly cut down on cooking time.

Another benefit to soaking (and this also applies to grains and nuts) — making nutrients more bioavailable!

Whole grains and beans contain phytates, which interfere with absorption of certain nutrients, like zinc.  Soaking significantly reduces phytate content.

FYI — that is why why sprouted whole grain breads offer more nutrition than regular whole grain breads.

While phytates are only a concern in mono-diets (diets that mainly consist of one food, as is the case in some under-developed third world communities), there certainly is no harm in soaking these foods if one has the time and desire to do so.

Soaking does not, however, reduce beans’ mineral content.

While cooking beans in boiling water does leach out some minerals, the amount is insignificant — roughly two to four percent.  Even after boiling, beans are an excellent source of many minerals.

Remember — the nutrients most affected by boiling are vitamin C as well as all B vitamins.

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You Ask, I Answer: Genetically Modified Beans

beansI’ve been trying to eat more organic and “real”  food (as well as staying away from soybeans) since seeing the movie “Food Inc.”

Are beans like pinto  beans, black beans, and kidney beans genetically modified?

Should I buy organic?

Susan (last name withheld)
Grand Rapids, MI

While I understand your concern about soybeans, there is no need to completely shun it from your diet.

Keep in mind that the vast majority of genetically-modified soybeans are used to make processed food.

Since soy is a subsidized crop, the production of soybean oil, soy flour, and soy protein isolate is extremely cheap.

Next time you are at the store, take a look at processed “junk” food and you are bound to see some, if not all, of these ingredients.

If you see the words “non-GMO” or “not genetically modified” on a package of tofu or tempeh, you can trust those soybeans have not been tampered with.

While it is absolutely possible to have a healthy diet without a single soybean, tempeh (fermented soy) is chock-full of nutrition and healthy compounds.

Companies like Lightlife and Turtle Island offer non-genetically-modified varieties.  If you like how it tastes, certainly continue to consume it!

While genetically modified kidney beans, pinto beans, and black beans certainly exist, they are not as rampant as genetically modified soybeans.

Buying organic is a great precaution — organic food can not, by definition, be bioengineered.

I do want to point out that many conventional (meaning “not organic”) beans are NOT genetically modified.

However, since there are currently no mandatory labeling guidelines for genetically modified food, consumers are kept in the dark.

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Numbers Game: Answer

sweetpotatoesSweet potato skins contain roughly three times the antioxidants contained in the vegetable’s flesh.

This probably helps you understand why I always advocate eating the skin of fruits and vegetables (as long as they are edible, of course).

Not only are skins a good source of fiber and certain nutrients — they also provide their own share of antioxidants and phytonutrients.

For example, one hundred percent of an apple’s quercetin (an antioxidant that  has been linked to lower inflammation levels as well as decreased risk of prostate and lung cancers) content is in its skin!

Whether you make sweet potato mash, baked sweet potatoes, or oven-roasted sweet potatoes, leave the peeler in your kitchen drawer!

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You Ask, I Answer: Peanut Shells

peanut shells for inbox zeroI was wondering if you knew if there is any nutritional value in the shells of peanuts, specifically sodium?

Should we be eating peanut shells?  I can’t seem to find any concrete evidence on the web.

– John V.
(Location unknown)

The only thing peanut shells offer is fiber.

If peanut shells are salted, you are also getting sodium from them, but the average American diet is already significantly higher in sodium than it needs to be.  No one should concern themselves seeking out good sources of sodium!

All the nutrition is inside the peanut shell.  I have never eaten peanut shells — and never intend to.  I can think of hundreds of much tastier, healthier, and easier-to-swallow sources of fiber.

I agree with the accompanying illustration — “lose the shells”!

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You Ask, I Answer: Drinking Fluids During Meals a Bad Idea?

Pouring Water into GlassAs a bariatric patient, we’re not supposed to drink anything while eating or for a while after.

It has to do with the “pouch” our surgeries create that help us feel full on small amounts of food, and the drinking flushes the food through meaning we get hungry faster, eat more, etc.

Anyways… someone said something on a site I’m on about how nobody should be drinking while eating, since even a normal stomach would have a similar reaction.

Is there any merit to that?

– Rob (last name withheld)
(Location unknown)

None whatsoever.  This is why armchair nutritionists on online message boards should rarely be trusted.

What you are referring to, Rob, is a condition known as dumping syndrome.

It’s quite common following bariatric surgery, and occurs when food travels from the stomach to the small intestine much more quickly than it should.

A small number of exceptions aside, individuals who have not had bariatric surgery do not need to worry about this.

As I always say, our bodies are very, very smart machines.

A regular stomach not only acts as a large reservoir of now-liquified broken down food (it can hold roughly 1.5 to 2 quarts!), but also transports that into the small intestine in a controlled fashion thanks to a powerful, ring-shaped muscle known as the pyloric sphincter.

Bariatric surgery results in the pyloric sphincter being bypassed during digestion, hence the possible complications.

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You Ask, I Answer: Sea Vegetables

DulseIn the past, you have written that seaweed is a good source of omega-3 for vegans, but what are the benefits for those of us who already eat fish?

Is there any reason to eat sea vegetables if you already get omega-3s from animal sources?

– Tom Emilio
(Location withheld)

Absolutely!  Their DHA and EPA content (those are the two omega 3 fatty acids found exclusively in fish and seaweed) is only one of their many benefits.

All sea vegetables are great low-calorie sources of iron, magnesium, potassium, selenium, vitamin A, and vitamin K.

Another bonus?  Sea vegetables have their own share of unique phytonutrients and antioxidants that help lower risk for heart disease and many different cancers.  This is why I often say that oceans have a very worthy produce section!

Many people erroneously assume all seaweed is slimy, which couldn’t be further from the truth.

You can purchase sheets of thin, crunchy nori (wonderful mixed into salads or used to wrap vegetables and avocado), dried chewy dulse (pictured, right), or hijiki (which, when cooked, has a consistency similar to that of rice).

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You Ask, I Answer: Safety of Bagged Lettuce

1207492016-69277_fullI just bought a bag of lettuce.  On the package it says something like, “Washed Three Times!”

Is it really safe to eat lettuce right out of the bag?  Or should I wash it the same way I wash heads of lettuce when I buy them?

– Cassandra (last name withheld)
New York, NY

Bagged greens are washed in a chlorine solution that removes a significant amount — though not all — bacteria.

That said, the bacteria that may still remain in bagged lettuce are not necessarily ones that can be removed simply by rinsing under cold water.

E.Coli, for example, is only killed by heat.  If a bag of lettuce that you purchased happened to be contamined with E.Coli, rinsing and washing would make absolutely no difference.

It’s perfectly safe to eat bagged lettuce that states it is ready-to-eat.

Remember, too, that as much as news editors love stories about “the bacteria living in your refirgerator…. RIGHT… NOW!”, the human body is exposed to plenty of bacteria every single day that does not get us sick.

Unless you are immunocompromised, elderly, pregnant, or a young child, there is no reason to obsess about eating food that is 100 percent free of all bacteria known to man.

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Numbers Game: Skin Is In

sweetpotatoes1Sweet potato skins contain roughly _____ times the antioxidants contained in the vegetable’s flesh.

a) 1.5
b) 2.5
c) 3
d) 4.5

Leave your guess in the “comments” section and come back on Saturday for the answer.

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You Ask, I Answer: Antioxidants in Honey & Maple Syrup

maple_syrupDespite the fact that calorie-wise they are similar to white sugar, I have heard that honey and maple syrup might possibly be superior sweeteners based upon the fact that they contain significant amounts of antioxidants.

Any truth to the matter?

– Corey Clark
(Location withheld)

Maple syrup and honey do indeed contain some antioxidants, but you need to remember context.  They are both sources of added sugar and, for the most part, empty calories.

Yes, maple syrup contains manganese and zinc, but it (along with honey) provides no fiber, protein, or fats — all essential for satiety.

Ergo, you are looking at empty calories.  Two hundred calories of maple syrup or honey will not satisfy hunger in the same way 200 calories of nuts or beans do.

Since the goal with all added sugars (white, brown, honey, maple syrup, agave, brown rice syrup, etc.) is to minimize intake, antioxidant content is a moot point.

Ideally, added sugar intake should be limited at two tablespoons per day.  This amount of either honey or maple syrup won’t provide much in terms of antioxidants.

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