|
|
|
Rating the Diets
THE 200 POINT SYSTEM With so many different diets available, how are we to know what works and what is safe? The only way to be sure is to discover the author's background and the research behind the diet's methodology. Every good diet should give...
So Many Diets… So Much Failure. What's A Person To Do?
What’s the biggest reason diets are so difficult to implement successfully? Are you ready? Here’s the answer: All diets require you to change your lifestyle in a major way. No one likes doing that. But if you keep doing what you’ve been doing,...
Where Diets Go Wrong
Strictly speaking, diets don't fail, people fail to stick with a diet. Following any reduced calorie diet will result in weight loss. The problem is sticking with it. Unfortunately, most diets have built-in failures which trip up the dieter.
...
Why diets don't work for most people
If you are like most people, losing weight is at the top of your New Year’s resolutions. But if you are like most people, you have a hard time sticking to a diet. We have all been bombarded with information about eating right and exercising so you...
Why fad diets don't work!
Copyright 2005 Adam Waxler
The answer is simple...fad diets are not natural.
Fad diet is the term that describes an array of diet approaches used to temporarily lose weight through unsafe and unrealistic methods. Quick fix programs do not...
|
|
| |
|
|
|
|
|
|
The risk of ischemic heart disease with low-fat, high-carbohydrate diets
There is convincing scientific evidence that type of fat have a more important role in determining the risk of coronary heart disease(CHD) than total amount of fat in the diet.(1) However, because of misleading presentation of epidemiological data by some authors(1), the readers might be left with the impression that low-fat, high- carbohydrate diet is the best option for patients with CHD risk.
In fact, high- carbohydrate diets, in the absence of weight loss, can lead to both elevated triglyceride and reduced HDL cholesterol, effects that may be associated with increased risk for CHD.(2) Although these effects may be lessened with dietary fiber and moderate physical activity, they appear to be worse among individuals with insulin resistance.(3)
As reviewed by Kris-Etherton(4) adverse metabolic effects of low fat diet do not occur with substitution of monounsaturated (MUFA) or polyunsaturated (PUFA) fatty acids for saturated and trans-fatty acids. This is also the case for individuals with diabetes, with the added benefit of better glycaemic control.(5)
As predicted by metabolic studies, replacement of saturated fat, and even more so trans fatty acids with either PUFA or MUFA was associated with a larger reduction in risk of CHD than simple reduction of total fat consumption.(6) With respect to weight control, a moderate-fat diet can
be as, or even more, effective that lower-fat diet. (6)
References
1. Hu FB, Manson JE, Willet WC. Types of dietary fat and risk of coronary heart disease: a critical review. J Am Coll Nutr 2001;20:5-19.
2. Fung MA, Frohlich JJ. Common problems in the management of hypertriglyceridemia. CMAJ 2002;167:1261-6.
3. Jeppesen J, Schaaf P, Jones G, Zhou MY, Chen YD, Reaven GM. Effects of low-fat, high-carbohydrate diets on risk factors for ischemic heart disease in postmenopausal women. Am J Clin Nutr 1997;65:1027-33.
4. Kris-Etherton PM, Kris-Etherton PM, Binkoski AE, Zhao G, Coval SM, Clemmer KF, et al. Dietary fat: assessing the evidence in support of a moderate-fat diet; the benchmark based on lipoprotein metabolism. Proc Nutr Soc 2002;61:287-98.
5. Rivellese AA, De Natale C, Lilli S. Type of dietary fat and insulin resistance. Ann N Y Acad Sci 2002;967:329-35.
6. Krauss RM, Eckel RH, Howard B, Appel LJ, Daniels SR, Deckelbaum RJ et al. AHA Dietary Guidelines: revision 2000: A statement for healthcare professionals from the Nutrition Committee of the American Heart Association. Circulation. 2000;102:2284-99.
About the author:
Dr. Michal R. Pijak is a consultant in rheumatology, allergy and clinical immunology at the University Hospital in Bratislava, Slovakia
|
|
|
|
|
|