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A Big Fat Lie
Michael Lam, MD, MPH www.DrLam.com
(READING TIPS: For fast reading, scan through the topic headings in BOLD BLACK, important conclusions in BOLD
BLUE, and " Must Know " in BOLD RED. To jump to specific sections in this article, click on
the respective LINKS in the Contents.
| Before You Begin
Information presented here is for general
educational purposes only. Each one of us is biochemically and metabolically
different. If you have a specific health concern and wish my personalized
nutritional recommendation, write to me by clicking
here. |
Contents
Introduction
150 Years Later
The Rise of Obesity
Rise of the Low Fat Diet
Carbohydrate History
Carbohydrate Addict
Fat Metabolism
Triglyceride
Bad Carbohydrates
Real Truth on Fats
The Right Choice
Low-fat Diet
Olive Oil - The Best Fat
Different Fats For Different Uses
Toxic Food Environment
Food and their Fat Content
Best Anti-aging Diets
Conclusion
Introduction
When
19th century English carpenter William Benting advanced the low carbohydrate,
high fat diet to lose weight back in 1862, it made headline news. You see,
Benting suffered from a life-long history of obesity. He was 5 feet 5 inches
tall, and weighed in at 202 pounds at age 66. After a relentless search
for ways to slim down, he was
finally able to shed 46 pounds over 38 weeks. His diet consisted of bacon,
beef, mutton, kidneys, fish, vegetables (except potato), tea (without milk
or sugar). Conspicuously absent was pastry, grain products, starches, and
sugar. Benting died in 1878 at the ripe old age of 81 with normal weight.
Benting was so successful with his diet that he published a booklet called
the Benting Diet. The medical profession criticized this book as "unscientific".
Why would the medical profession reject something that evidently works?
The concept of eating meat which contains large amounts of fat to lose weight
simply is one that is too advanced for the medical profession then. Since
fat has the most calories per gram, it is logical to limit fat intake if
one wants to lose weight. Certainly, this hypothesis appears to make perfect
sense on the surface.
Clinical trials on obesity, conducted
through the last century, fail to support this theory. In fact, the opposite
is true. The amount of weight loss appears
to be inversely proportional to the carbohydrate content of the food. When
a high-fat, lower carbohydrate diet is taken, the rate of weight loss is
greater. The converse is also true. Despite this, the medical
profession continues to turn its head away from this truth.
Now let us fast-forward to the year 1972. This is when cardiologist Dr.
Robert Atkins first advanced his "Diet Revolution''. In short, Dr. Atkins
reiterated and pushed forward the Benting diet. As expected, it was rejected
by the medical profession and the public at large. To them, it was an unproven
"new concept" still. On the contrary, Americans were just about
fully convinced that fats, particularly the saturated fats of meat and dairy
products, were the primary nutritional evil in their normal diet.Research studies released during that period also pointed to high
blood cholesterol as the number one cause of heart disease, and that a diet
high in fat was the number one culprit.
Not so, according to Dr. Atkins. He believed that consuming too many carbohydrates and not fats caused the epidemic
of obesity in Americans. Atkins advanced the promise that we
would lose weight even if we were to indulge in steak, eggs and butter to
our heart's desire. He believed that fats were harmless and it was actually
the carbohydrates, pastas, rice, bagels and sugar that caused obesity and
heart diseases. In his book, Dr. Atkins's Diet Revolution, which
stirred many emotions amongst the American population, he allowed his readers
to eat animal fat without restriction. However, starches or refined
carbohydrates, sugars or anything made from flour were discouraged. He even
banned fruit juices, and permitted only a moderate amount of vegetables,
although the latter were negotiable as the diet progressed.
Dr. Atkins's following was large, and there were so many debates regarding
this topic, that Dr. Atkins had to defend his fatty diet in Congressional
hearings. His low-carbohydrate message seemed destined to be relegated to
the realm of unscientific fantasy and borderline quackery.
150 Years Later
150 years later, the medical community is still debating this subject.
However, the trend is clearly reversing. More
researchers are leaning towards the Atkins camp, having seen three decades of reduced cholesterol consumption but
exploding obesity. Could Benting and Dr. Atkins have been right
all along?
Benting and Dr. Atkins are joined by a growing number of respected scientists
who had written decades worth of best-selling diet books, including ''The
Zone,'' and ''Sugar Busters'' telling us that fats are alright. They
do not make us fat. The main culprits are
actually the refined carbohydrates, such as pasta, rice and bread, (items
that are at the base of the famous Food Guide Pyramid and items that actually
provide the main bulk of the calories that our body requires).
However, Dr. Atkins says that by eating fewer carbohydrates, we will definitely
lose weight and live longer.
Walter Willett, chairman of the department of nutrition at the Harvard School
of Public Health agrees. According to him, data collected from a large
group study of 300,000 people and costing more than $100 million, clearly
contradict the low-fat-is-good-health message. The
exclusive three decades focused on the adverse effects of fats, may have
contributed to the obesity epidemic because people were told to switch to
carbohydrates.
For many people, the low-fat diets are counterproductive
for two reasons. Many people switch to low-fat diets using the
wrong substitute. They take in excessive carbohydrates such
as pasta and potato to replace fats. As a result, this creates a chronic
high blood sugar level, leading to obesity, insulin resistance and ultimately
diabetes. Such low-fat diets (and resulting
high carbohydrate diets) have the paradoxical effect of making people feel
more hungry and gaining weight as people are turned into a carbohydrate
addict.
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