Overview
Fats: Arthrosclerosis, the
blocking of arteries, we largely blame on a diet for this, that is high in fat.
Thus doctors advice people to avoid fatty foods, so as to prevent heart disease
and obesity.
Further Reading
This simplistic stance
has been supported by the "Food Pyramid", which advocates replacing
fat with extra carbohydrates. However, a high carbohydrate diet, particularly
if comprising mainly of high glycaemic index components, can lead to insulin
resistance and diabetes mellitus. It also fails to address the fact that:
"Some Fats Do Have Proven Health Benefits"
Types of Fats
Saturated Fats
The type of fat that
causes an increase in LDL cholesterol and arthrosclerosis is saturated fat. Some saturated ones are worse than
others. This type found in dairy products like butter and whole milk has the
strongest effect on LDL. Beef fat has less impact on LDL, and from chocolate
and cocoa butter the least!
Trans Fats
Trans or hydrogenated fats are commonly
present in commercial foods. These substances result in a depression of the
good HDL cholesterol, whilst simultaneously raising the levels of the bad LDL
cholesterol, triglycerides and lipoprotein A. Heart disease normally links with
all these. In addition, this type increases platelet "stickiness",
potentially contributing to the incidence to heart attacks and strokes.
Monounsaturated &
Polyunsaturated Fats | Healthy Ones
The good news is
that monounsaturated like olive oil and polyunsaturated fats like soybean
oil have many health benefits. People who consume more unsaturated versus saturated, have significantly
lower risks of heart attack and death from heart disease.
Omega-3 Fatty Acids
One class of polyunsaturated fatty acids is the
Omega-3 fatty acids. These fatty acids are essential for good health. The basic
molecule can't be manufactured by the body, so an adequate intake is essential.
They are necessary to maintain normal physiology, particularly in the
prevention of heart disease. Fish oils are a rich source of dietary Omega-3
fatty acids.
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