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"A Diet Deficiency Today is a Clinical Event Tomorrow"
"A Diet Deficiency Today is a Clinical Event Tomorrow" For those of us that understand nutrition and it's importance in our lives, this statement makes all too much sense doesn't it. Today, six out of the top ten causes of death are diet related...
Acne, Women, Hormones and Polycystic Ovary Disease
More frequently women are combating acne and wrinkles simultaneously. It’s a hideous fight wrought with mysterious hormone signals and an even more baffling search for a cure. Dermatologist Diane Thiboutot, MD, associate professor of medicine at the...
Body Wrapping and Weight Loss - Slim Down or Slim Scam?
One particularly enticing aspect of low-carbohydrate dieting is that you can lose weight. The down side
of it is, unless you are careful, you can end up gaining it all back - plus more. While low-carbohydrate diets do help you to lose weight, it's...
Losing Weight is not about Numbers -- It's About Perspectives!
Any dietary plan on the market has some portion of it that works, but the basic principle of any good eating program, no matter how sugarcoated, centers around calories IN-- calories OUT. The eating "only one type of food diets" will not be...
Obesity Epidemic
Remember the New York teenagers, Ashley Pelman and Jazlyn Bradley, who sued McDonald's for making them obese? One of the plaintiffs included a 15-year-old Bronx boy who says he's been eating McDonald's food since the age of six. Gregory Rhymes--at 5...
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Is Fructose The Cause Of Obesity?
The Glycemic Index offers an interesting, and scientifically
valid, way of assessing the types of carbohydrates we eat. It
measures and rates the way these carbohydrates enter the
bloodstream. And in doing so offers a way of approaching a meal
so that it may be both nutritionally valid, and keep hunger
pangs at bay. This of course is one way of preventing
overeating. And its a great way for parents to try and curb
their children's desire to eat unhealthy food between meals.
The Glycemic Index rates carbohydrates as having either a high,
low or medium glycemic index. And the idea is to eat more foods
that have either a low or medium glycemic index, and less with a
high one. Low glycemic index foods enter the bloodstream more
slowly, and so don't raise blood sugar levels like high glycemic
index foods.
So, what is a carbohydrate? All sugars, or foods that are broken
down into sugar, are carbohydrates. This includes regular sugar,
glucose (often used in sports drinks), fructose, (in fruit),
lactose, (found in milk and similar products like yoghurt),
maltose, (found in malt which is often used to flavor cereals),
all types of starches, from potatoes to noodles and pasta, and
legumes, such as lentils and peas (though these also contain
some protein).
Fruit is considered to have a low GI (not fruit juice though).
Interestingly though, recent research has found what they
believe is a link between fructose and obesity. However, the
type of fructose studied was in corn syrup, which is a refined
and concentrated form of fructose. It also doesn't have the
beneficial fiber, antioxidants and other phytochemicals that
fruit does. This was also preliminary research done in an animal
model, so it may not be valid for humans. Researchers from the
University of Florida found that fructose may make people
believe they are hungrier than they should be. And when these
researchers interrupted the way fructose was metabolized, the
rats they were working with did not put on weight, even though
they still ate fructose.
This is not the first research that has suggested fructose may
be linked to a propensity to put on weight, more so than other
types of
food. A study at the University of Cincinnati found
that eating fructose (high fructose corn syrup), led to greater
fat storage. They say that the body processes fructose
differently to other types of sugars, though again, it is not
clear if this is mitigated by perhaps the lower concentration of
fructose in fruit as compared to the corn syrup used in the
study.
The research from the University of Florida found that there
were higher levels of uric acid in the bloodstream after eating
or drinking fructose. This spike in uric acid affects insulin,
by blocking it. Insulin regulates the way our cells store and
use fat. If uric acid levels are elevated a lot, then symptoms
of metabolic syndrome can develop. These symptoms include high
blood pressure, high cholesterol levels, as well as gaining a
lot of weight. What is of possible concern to people is that
fructose is used in a lot of soda drinks, so if you drink a lot
of soda it is going to be quite easy to frequently spike uric
acid levels in the blood. Metabolic syndrome is also a precursor
of type 2 diabetes.
Signs of metabolic syndrome include fat on the abdomen, such
that the waist appears as big as the hips or larger. There tend
to be lower amounts of the good type of cholesterol in the
blood, and high levels of triglycerides which make the blood
'sticky'. Metabolic syndrome is associated with the way the body
responds to insulin, so that there are higher levels of glucose
in the blood. All of these things can be tested by doctors.
References: 1.
http://www.nutraingredients.com/news/ng.asp?n=64395&m=1NIED08&c=q
gtqmovbyiaxdub
2. Australian Healthy Food, November 2005
3. Nature and Health, Oct/Nov 2005
About the author:
Despite some claims the Zone Diet is a 'revised' version of the
Atkins Diet, nothing could be further from the truth. Read this article for information on the
zone diet and why I don't recommend Dr Atkins Diet, though it does have some good
points.
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