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So, that is why I think we should cut back on fat content of our diet. Sure, we need to cut back on total calories in relation to our calculated RMR. 500 calories per day for one pound loss per week; 1000 calories per day for 2 pounds lost per week. You can do the math. But it is my conviction that we should make those cutbacks on fat content. If you think about it, the easiest way to cut back on those 500 or 1000 calories per day is from the energy-dense fat content. If you cut back 500 calories per day from the fat content of your daily food intake, you lose only 55 grams - less than 2 ounces - of food bulk. Two ounces of food bulk doesn't seem like much and it isn't. Look at it this way: if you cut back 500 calories of fat, that is less than one large bag of French fries. If you cut back 500 calories of carbohydrate, that's 2 1/2 baked potatoes. Get the mental picture?
Well, what is the recommended break down then? We stand by the following as the way to break down your daily calorie consumption:
You will notice their is some significant leeway in the breakdown, and that is quite on purpose. While your attention, rightly so, should be focused on fat calories, you have some wiggle room on carbohydrate and protein. Because, as we have said elsewhere, no one diet fits all. Some of you are meat-lovers and need up to 40% of your calories as protein; some are carb lovers and have to have their bread and cereals. You can adjust your eating toward personal preferences. This is why you will be able to follow this eating plan easier than others: flexibility.
One quick word on "philosophy of eating": there is absolutely nothing that is a forbidden food in this plan.You can have anything you want. Unlike some diets, if you absolutely, positively need some bread, eat some bread. Unlike some diets (and I still hate that word), if you absolutely, positively have to have a bowl of ice cream, by Jimminy Cricket, have some ice cream. Pizza cravings? Have pizza. Chocoholic? Have chocolate. The point is not to forbid anything but control portion when you break out and eat.
Remember the story of my personal battles with ice
cream? Controlling portions was the solution. When you have ice cream,
eat a controlled, structured amount.
Don't eat ice cream out of those mammoth gallon tubs.
Break it down into reasonable portions. Don't east pizza out of the
box, straight from the delivery man.Take a slice or two, close the box,
and put the pizza on a plate. The pizza slices will visually
appear to be much larger on the plate than just 1/12 of the whole pie.
Playing other mind tricks also can condition you to eat smaller
portions of these treats. Use a parfait bowl for the ice portion, not a
2 quart Tupperware™ bowl. Put those pizza slices on an 8" plate instead
of a 12" dinner plate. Your eyes will see just how big fast food pizza
delivery slices are. Use a smaller salad ford instead of a dinner fork
- better still, get a cocktail fork to eat with. Teaspoon bites of your
ice cream, rather that scooping it out with a tablespoon. Like sweet
tea? Fill the glass 2/3 full with ice before you drink. You get the
picture. [My patients can hear me crying out the familiar "This is not
a Mars landing here!"] It's the little adaptations and habits that make
for success.
Let's do some math now. Suppose we have calculated your RMR and, with your activity factor multiplied, your daily energy requirement for a break even weight is 2750 calories per day. We - you and your doctor - set a weight loss goal of 2 pounds per week at the start of the program. As we have seen, for two pounds of loss per week, you have to have a calorie deficit of 1000 calories per day. That means you have two options, initially.
According to our admittedly-simplified view of the world, either should work. But, for whatever it's worth, we live in the real world. One approach definitely works better than the other. By now, you should easily be able to guess which one. If you guessed option 2, give yourself a gold star with smiley face cluster.
Here's why. If you go with option 1, your body will rebel. The most complicated, finely-tuned machine in the world knows all about starving. And 1750 calories suddenly thrown at a body used to having 3500-4000 calories per day is starvation.Your body doesn't know you are doing this for its own good and voluntarily. All it knows, it learned a thousand or 2000 years ago: famine! Crop failure! No food! And, since your genetics enabled your far distant ancestors millennia ago to live through times of starvation, it starts to adapt to survive. One landmark study proved just how serious our bodies are when it comes to calorie reduction.
In the 1940s, Ancel Keys, a professor at the University of Minnesota, did a study that will probably never be duplicated in a laboratory setting. It really doesn't need to be since it is being duplicated in every day life all across the country. What keys did was find 40 male volunteers and put them on a semi-starvation diet, about 1600 calories per day - not too far from our 1750 calories calculated above. What he found was amazing. He found, first, that people who go on semi-starvation get really weird, for lack of a better word. Four just dropped out because they couldn't tolerate the diet. More so, 3 developed binge-eating disorder, 2 began to steal food, one suffered significant depression, and 2 actually had to be hospitalized for psychosis - to be blunt, they went crazy. More importantly, was what he found in the 28 men who completed the study. They displayed hunger, weakness, lack of drive and motivation, decreased ability to feel happiness, osteoporosis, ankle swelling, hair loss, low blood pressure, poor wound healing, depression and decreased muscle mass. That last one shouldn't surprise you, as we have discussed that elsewhere. But, then, you may have actually experiences the others during one of your previous diet attempts.The men complained of being nervous, anxious, apathetic, withdrawn, impatient, self-critical with distorted body images and even feeling overweight, moody, emotional and depressed.The study subjects lost 10% of their strength and 50% of their exercise stamina. Over the course of the 6-month study, the men became, in a word, sick.
Equally alarming is what the men did when they were allowed to resume eating whatever they wanted. To "stop the diet." On average, the men regained to their original weights plus 10%. But the weight regain was largely as fat and their lean body mass recovered much more slowly, if at all. Keys published his study and other observations in The Biology of Starvation, still the only work of its kind.You won't find it in the public library but the closest medical school library should have a copy or be able to get access to one. Not for a late night read, but it is truly a remarkable study of what all too many people do to themselves everyday through over-restrictive dieting.
One of the findings that Keys found that is most relevant to our discussion is that the RMR of the study subjects dropped during semi-starvation. This should comes as no surprise to anyone of you who have tried to starve weight off in the past. You can starve and lose weight, at least for a short period. But, gradually and inevitably, your weight loss slows and then comes to a screeching halt. You eat less and less and you, basically, stop losing weight. This is because, we learned 1000s of years ago, that when there is a time of food lack, the only way the body can live through it is to shut down everything. Your "unnecessary" bodily functions - like hair growth, skin repair, replacement of dead cells - stop. Muscle and fat tissue - the two possible sources for additional energy for the body - get cannibalized. The heart rate slows as does the pressure with which blood circulates through the body, conserving more energy. Is any of this starting to sound familiar?
The message is clear. You cannot - try as you will - starve off weight. It is a biological impossibility. You can cut back and cut back until you are down to 2 crackers and a diet Pepsi™ and you will not lose weight. You get discouraged, give up, and resume your old eating habits. And, as you also probably already know, weight regain is absolutely no problem. You start to feel better, physically and psychologically - and swear off dieting forever. Unfortunately, you are probably even more overweight than when you started and, worse, you have further ruined your body composition by losing muscle and gaining more fat. This, my friends, is called weight cycling or "yo-yo dieting." And it is why most of you are where you are today.
Before we examine option #2, here's a trivia question for you: Where do the Army's K-rations get their name? Ancel Keys is the man who developed the packaged meals carried by the U.S. Army during World War II. Thus, the were nicknamed "K-rations."

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