weight loss and dangers of high protein

[Guest guest]

Warren is correct,

 

Whole grains are very essential when it comes to getting proper nutrients. High protein diets, vegan or not, can be very damaging to the body. High protein diets can lead to kidney problems and cause acidosis, which is when the blood becomes acidic due to sulfur in cystine and methionine being converted to sulfate. When this happens, the body will leech calcium and other minerals from the bones to neutralize the blood and the calcium is then lost in the urine. Generally this is more of a concern for meat eaters, but high protein diets are not good for vegans or vegetarians either. In a study, endocrinologist Deborah Sellmeyer, MD, of the University of California-San Francisco (UCSF) found that an acidic diet might increase the chances of hip fractures.

 

Carbohydrates don't make people fat. In fact, it is dietary fat that gets directly deposited. Carbohydrates get converted into glycogen and stored in the liver and muscles as energy. Someone would have to eat a ridiculous amount of calories in order for that glycogen to be converted to fat. The reason why having too many CALORIES would be bad is that if someone eats more calories than they should be getting, they burn glycogen as fuel and never cut into their fat.

 

They key to losing weight and SUSTAINING that weight loss is calorie control and being aware of serving size. Some bagels can actually be up to 4 servings worth of grain! Some cereals can be up to 200+ calories a serving without soymilk because so much sugar is added. One should avoid highly refined carbs and do things such as make sure that one's bread and pasta is 100% whole wheat (check ingredients to make sure the only flour added is whole wheat flour). Avoid soda and other foods with high fructose corn syrup or corn syrup. It is important to have unrefined/unprocessed sugars instead.

I've attached an interesting article about Atkins diet. It is more relevant to people who are meat and dairy eaters, but if you know people who are on Atkins and you are worried about their health (their increased risk for heart disease, stroke, and cancer) then show them this article I have attached.

 

 

 

biguyskrsf wrote:

 

There are two kinds of carbs, complex and simple. Simple carbs such as white flour and white rice are NOT healthful. Complex carbs such as whole grains are very healthful. Complex carbs are very important for optimal health. As far as losing weight, I have had very good luck losing weight on a diet that included a lot of carbs but they were complex carbs including brown rice and whole wheat pasta and whole grain bread and other whole grain products. I recently dropped 25 lbs on this diet with no problem whatsoever.

Based on everything I have read and experienced I have come to the conclusion that the best and healthiest way to lose and maintain a healthy weight is a high fiber, low fat vegan diet that includes whole grains, vegetables, fruits and legumes as well as a small amount of nuts and seeds and I try to avoid processed foods as much as I can.

Take care

Warren

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[Guest guest]

Thanks to everyone who responded to my request about low carb vegan diets. A

number of people wrote to say they had cut out sugars and refined carbs and

have lost weight. Their diest sounded more like whole foods vegan diets

rather than low-carb diets -- certainly not of the Atkins variety which is

60 g of carbs or less per day.

 

> Whole grains are very essential when it comes to getting proper nutrients.

High protein diets, vegan or not, can be very damaging to the body.

 

All low carb diets are not necessarily high protein diets. In Atkins, the

emphasis is on fat more than protein. But because they tend to be low

calorie diets, when followed correctly, even the increases in fat are not

necessarily that high. There have been no studies longer than a year, but

the studies that have been conducted did not find any serious side effects.

Still, as I said in my previous email, a whole foods vegan diet seems the

most ideal for losing weight -- especially if you already happen to be

vegan.

 

> High protein diets can lead to kidney problems and cause acidosis, which

is when the blood becomes acidic due to sulfur in cystine and methionine

being converted to sulfate.

> When this happens, the body will leech calcium and other minerals from

the bones to neutralize the blood and the calcium is then lost in the urine.

 

There is still a decent amount of controversy over how much protein really

leaches calcium out of bones. Here is an abstract of a recent review:

 

http://tinyurl.com/25gys

 

" Protein has both positive and negative effects on calcium balance, and the

net effect of dietary protein on bone mass and fracture risk may be

dependent on the dietary calcium intake. "

 

And the reason I bring this up is because for a long time we in the

vegetarian community have been told that osteoporosis is a disease of

calcium loss and that our low or absent intake of animal protein should

protect us against osteoporosis. The little research there is on vegetarians

does not show us to be more protected, which is no surprise because there is

a lot more to preventing osteoporosis than than reducing animal protein (if

this really has much of an effect anyway). Body weight is correlated with

denser bones and vegetarians, as we know, are typically lighter. And if the

theory about sulfer amino acids is a major cause of osteoporosis is true, it

should be pointed out that grains are pretty high in sulfur amino acids.

However, I don't believe that it is a major cause. I'm betting on inactivity

being the biggest cause, with sodium, low vitamin D, low potassium, low

vitamin K, and low calcium intakes being more important. At this point, in

my opinion, there hasn't been enough research for anyone to claim that they

really know.

 

> Generally this is more of a concern for meat eaters, but high protein

diets are not good for vegans or vegetarians either. In a study,

endocrinologist Deborah Sellmeyer, MD, of the University of California-San

Francisco (UCSF) found that an acidic diet might increase the chances of hip

fractures.

 

> Carbohydrates don't make people fat. In fact, it is dietary fat that gets

directly deposited. Carbohydrates get converted into glycogen and stored in

the liver and muscles as energy. Someone would have to eat a ridiculous

amount of calories in order for that glycogen to be converted to fat. The

reason why having too many CALORIES would be bad is that if someone eats

more calories than they should be getting, they burn glycogen as fuel and

never cut into their fat.

 

Hmm. I hate to be contrarian again, but my understanding is that glucose can

be quickly converted into fat. If you're eating more calories than you burn,

your body is pretty adept at storing carbs, protein, and fat as fat.

 

As a final note, people who tend to be insulin resistant and glucose

intolerant (generally inactive people but not necessarily) probably need to

cut back on their refined carbs. People who are the opposite (and kids who

cannot tolerate a lot of fiber), might actually need to eat refined carbs to

maintain their weight on a vegan diet.

 

Jack Norris, RD

Vegan Outreach