September 2009 – I eliminated most sources of sugar in my diet (for a definition of “sugar” click here) six days per week.
January 2011 – I reduced starch intake to one serving per day, but continued to eat fruits and vegetables in an unrestricted manner. May 2011 – Reduced carbohydrate intake to less than 50 grams per day and reduced protein intake to approximately 120 grams per day, entering a state of nutritional ketosis.
Another way to see the implications of these changes on my actual intake is shown in the figure below. The most externally obvious change that occurred as I ratcheted down my carbohydrate intake was a decrease in body fat. The other (profoundly simple) “test” I used to track my weight loss was my waist measurement. Between February 2010 and July 2010 I had a bad bout of swine flu, which left me in pretty rough shape for a while.
Pay more attention to fat mass, separately, than overall body weight, and do the same with lean mass.
Most people, especially physically active people, probably experience some seasonal variation in body fat, especially at low levels. In a food processor or blender, place garbanzo beans, peanut butter, lemon juice, garlic, cumin, and salt.
Dietary fat has been blamed as the cause of obesity, heart disease and diabetes for the past 40 years, but many medical experts say a high-fat, low-carb ketogenic diet promotes rapid weight loss and optimal health.
What's more, they say a high-fat diet helps people maintain their weight loss long-term — something the vast majority of diets cannot claim. Westman, an obesity expert who oversees the Duke University Lifestyle Medicine Clinic, said his patients experience dramatic weight loss on a ketogenic diet, which is a high-fat, moderate-protein, low-carb eating plan. Westman said one patient, a 51-year-old woman named Lynne Daniel Ivey, lost 185 pounds on the ketogenic diet.
But Westman says rapid weight loss isn't the only benefit of a ketogenic diet, which has been found effective in treating epilepsy, reverses type 2 diabetes, and preventing heart disease. In September 2013, a woman made headlines after revealing she lost 88 pounds without exercising on a high-fat, low-carb diet that combined the principles of the ketogenic and Paleo diets. The 5-foot-4 Amanda, who declined to give her last name, slimmed down from 222 pounds to 134 pounds on a high-fat, moderate-protein, low-carb diet. Ironically, Americans have gotten fatter during the past three decades as conventional diet wisdom vociferously promoted a low-fat diet.
What makes people fat is eating too many carbs, like those found in junk food and sugary sodas, cakes and bagels.
Inflammation — which is caused by a high-carb, grain-heavy diet — is the main cause of heart disease, obesity, diabetes, high cholesterol and other problems.
Westman, author of Keto Clarity, recommends that his morbidly weight-loss patients limit their daily carb intake to just 20 grams, which isn't a lot. While the ketogenic diet may sound like deprivation for those who love their cupcakes and chips, consuming enough fat actually actually eliminates your cravings for those junky carbs so you don't even miss them. Cannes Film Festival fashion: Amal Clooney, Blake Lively, Victoria BeckhamThe 69th Cannes Film Festival opened on Wednesday, May 11 with Woody Allen's new film. Ways to earn extra money: The side hustleRemember when a full-time job used to mean working 40 hours a week or more and bringing home a decent paycheck that would last, at least until the next pay check?
Americans ages 2 years and over about food choices that promote health and prevent disease. National policy requires that specified amounts of nutrients be added to enrich some foods.
Supplements of vitamins, minerals or fiber also may help to meet special nutritional needs. Fat, whether from plant or animal sources, contains more than twice the number of caloriesas an equal amount of carbohydrate or protein. Fats contain both saturated and unsaturated monounsaturated and polyunsaturated) fatty acids. Scientific evidence indicates that diets high in sugars do not cause hyperactivity or diabetes.
Sugar substitutes such as sorbitol, saccharin, and aspartame are ingredients in many foods.
Weight control is a significant issue for many people, including athletes, who may benefit from reduced fat mass to improve performance. For sedentary people, slow weight loss over a fairly protracted time period is likely to be the best strategy. Most dieters, particularly exercisers, are more concerned with loss of fat and would like to retain as much muscle as possible to maintain performance. Recent evidence suggests that weight loss is influenced not only by the total energy consumption, but also by the macronutrient composition of the diet – ie carbohydrate, fat and protein contents. In addition to simply increasing the amount of protein to enhance weight loss and maintain muscle mass, there is now evidence that specific proteins may be important influential for this effect.
The effectiveness of dairy products is attributed to the calcium content and other bioactive ingredients, including a high level of whey proteins.
Whereas it seems clear that high-protein diets may be appropriate for overweight and obese populations(1,3), there is little information available on athletic populations.


Athletes, on the other hand, are usually healthy (at least metabolically, even if not orthopaedically!) and this fact may impact the response to high-protein, low-calorie diets. The impact of increased protein intake during weight loss in athletes is not entirely clear. A study from Virginia used the N balance technique in two groups of bodybuilders during weight loss(6). On the other hand, a more recent study found no effect of increased protein or branched chain amino acid (BCAA) intake on the amount of lean body mass lost during weight loss in athletes(7). We recently performed a carefully controlled study to further examine the impact of increased protein intake during low-calorie dieting in weight lifters. During the weight-loss regime, one group consumed a diet that resembled their normal dietary pattern.
Our results suggest that the goals of the athlete should be carefully considered when making a recommendation for diet during weight loss.
Since we are concerned with maintenance of exercise capacity, the carbohydrate intake has been kept constant, from a % energy standpoint.
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As a result, I probably lost more lean mass than I would have liked, or expected to, even transiently. My body fat probably fluctuations between 7 and 10% over the course of year now, often a function of activity type (more than activity level). Westman discussed the weight-loss benefits of low-carb, high-fat diets in his bestseller, New Atkins for a New You. The 5-foot-4 Ivey, who once tipped thee scales at 324 pounds, slimmed down to 139 pounds by eating a high-fat, low-carb diet. New research indicates the low-carb, high-fat ketogenic diet fights depression and bipolar disorder. Westman said people who follow a high-fat ketogenic diet experience improved health across the board. Medical experts say it's time to reject the conventional wisdom of SAD (the high-carb Standard American Diet), pointing out that eating fat does not make you fat.
And trans fats, such as shortening, margarine or any hydrogenated oil, should absolutely be avoided, because it is these fake fats that clog arteries (it's akin to drinking melted plastic) and causes inflammation.
The key to drastically cutting carbohydrates, he says, is to replace them with moderate amounts of protein and a lot of healthy fats, such as salmon, eggs, bacon, butter, cream, nuts, grass-fed meats, avocado, olive oil, coconut oil and cheese. So, it is very important to balance the diet and maintain the eating habits of the children. In general, creating a calorie deficit (either through dietary energy restriction or increased energy output) for a sufficient period of time will result in successful weight loss. Athletes, on the other hand, may desire more rapid weight loss for competitive reasons and, since they are already training at a high level, may not be able to increase exercise or activity levels to any great degree. Unfortunately, hypocaloric dieting often results in loss of lean body mass (1), perhaps leading to compromised performance or increased injury risk (2). Recently, protein has received a great deal of interest particularly with regard to the loss of muscle relative to fat.
In particular, dairy products have been touted as the key ingredients in a diet designed for optimal weight loss(4). Whey proteins have a high proportion of leucine, an amino acid associated with increased protein synthesis and fat oxidation (see below). The metabolic turnover and activity level of athletes and regular exercisers is likely to be far removed from those of sedentary overweight individuals.
As such, extrapolation of the results of studies on obese and overweight subjects to athletes may not be appropriate; the specific focus of studies on athletes is critical before making recommendations. One group consumed a higher proportion of protein than the other during one week of hypocaloric dieting. Researchers in France had four groups of wrestlers restrict their calorie intake for 19 days.
Two groups of athletes who normally consumed about 3,000-3,500 calories per day, including about 1.6g of protein per kilo of body weight per day (about 15% of total calories) consumed 60% of their normal calorie intake for two weeks (ie reduced it by 40%). In Table 1, the dietary composition of a weight maintenance and low energy diet for a typical 80kg athlete are presented. My goal was to reduce my waist to 32 inches and I calculated I would need to lose 20 pounds of fat, without losing any muscle mass, to do this. Lean mass took a big hit initially (although I believe in my case, the prolonged illness didn’t help), but then recovered. David Perlmutter's Grain Brain also details the health benefits of LCHF diets in their books. This not only gives them a healthier lifestyle, but, in the later stage of life, it has also been proved that healthy eating increases their chances of avoiding various diseases, and help them cope better with some circumstances.Balanced dietNutritionists and dietitians suggest that children be given food rich in protein , which enhances attention period and decreases the level of strain.
Clearly, a dietary strategy that minimises the loss of muscle while maximising fat loss would be desirable for most. Many recent studies have investigated the impact of manipulating protein intake during hypocaloric weight loss in overweight and obese individuals(1).


It is important to note that not all studies demonstrate that increasing the dairy content of the diet results in superior loss of weight or improved body composition. The bodybuilders with the higher protein intake were in positive N balance, whereas those consuming moderate protein were in negative N balance. One group served as a control and consumed a typical dietary composition, while the others consumed a high-protein, a high-BCAA or a low-protein diet. Both groups lost the same amount of fat, but the group consuming more protein lost little if any muscle while the other group lost an average of 1.5kg of muscle mass.
The diets are portrayed in two fashions – regular (normal) dietary composition and high-protein. It’s a pretty remarkable test that is now the gold standard for measuring body composition. As silly as this sounds, I recall, back in the spring of 2009 while stuck in an airport, using calculus to integrate the volume of fat I needed to lose from my waist (both visceral – around my organs – and under my skin) to get down to a 32-inch waist. Total body weight is shown on top of each bar, while the blue bar represents lean tissue and the red bar represents fat. Increased protein ingestion during weight loss, particularly in combination with exercise training, improves weight loss and decreases the loss of lean body mass. Thus, it is fair to say that the jury is still out on the importance of dairy proteins for optimal weight loss(5). If the number is negative, then the individual is considered to be losing protein and if positive, gaining protein (see figure 1).
Extrapolated to muscle, the high-protein group gained around 700g of muscle for the week while the group consuming moderate protein lost around 600g of muscle.
All groups lost about 5% of lean body mass, but the high BCAA group lost significantly more fat than the other groups. Note that as the energy intake drops, the fat intake must be dramatically reduced to accommodate the increased protein.
Back when I was in high school we relied on a combination of calipers (in the hands of an experienced user) and something called hydrostatic testing, where you are weighed in and out of water to calculate your percentage of body fat. It’s actually an easy problem if you can remember how to integrate the volume of an oval “cylinder” and you know the density of fat. Hence, in September 2009, I weighed 195 pounds, of which 156 was lean, 39 was fat, and my body fat (the number below) was 20%.
Omega-3 rich food such as fish, almonds, or walnuts, should be made a part of their Daily diet.Milk consumption should be increased.
Moreover, a higher protein intake when calorie intake returns to normal (ie matches calorie output) decreases the rate of weight regain(3). However, no difference between the groups could be detected in the changes in fat or muscle measured by underwater weighing. Clearly, the difference in the loss of body mass was entirely attributable to a loss of lean body mass (see figure 2). Either way, for the vast majority of athletes, the carbohydrate level should not be compromised.
In practice, this issue may be problematic because very low-fat diets are often very unappetising.
Doing in the “wrong” way can result in equal loss of fat and lean mass (or, worse yet, disproportionate loss of lean mass). Thus, at least for obese or overweight individuals, a higher protein intake seems to be the best choice during weight loss with a hypocaloric diet. Whereas this change in muscle mass seems quite large for a single week, the method used to detect these changes is not particularly sensitive, which explains why no statistically significant difference was found between groups. These results do not seem to match those of the earlier study, nor do the results fit with those from studies on obese individuals. We hope to follow up these admittedly preliminary results with future studies designed to further investigate details of body composition changes in athletes during weight loss with high-protein intake. In our study, the two groups ate the same amount of carbohydrate in an attempt to avoid declines in performance due to lower carbohydrate intake.
Menu design must be considered carefully in order to provide the appropriate dietary composition. Furthermore, these results demonstrate a common issue with N balance – at high-protein intakes N balance is often quite large and may not reflect measured changes. Without any loss of lean tissue, I had reduced fat mass to 13 pounds and body fat to under 8%. Fruits and salads should also be taken at a good amount as they are low in caloriesand full of nutrients, which means that they are richHealthy eating habitsin vitamins, minerals, antioxidants, and fiber.
Nevertheless, these results can be used to support the idea that increased protein intake preserves muscle during low-calorie dieting in body builders. Clearly, much more research needs to be undertaken to determine the effectiveness of dietary composition for attainment of ideal body composition for athletes and others during weight loss.



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Comments

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    11.04.2014

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    11.04.2014