Untitled - Precision Nutrition
Transcription
Untitled - Precision Nutrition
Beyond Cutting Edge - Nutrition Strategies That Your Grandkids Will Use As Standard Care Presented by John Berardi, PhD, CSCS http://www.precisionnutrition.com Projections of the Future Recently, as my interests have expanded from the nutrition of the present to the nutrition of the future, I’ve been very interested in what others – from scientist to futurists to entertainers - have predicted our future would look like, nutritionally speaking of course. And the interesting thing is this – often times, the most successful predictors are those in the entertainment business. Take the Jetsons for example. In the 1960’s the Jetsons were flying around in hovercraft, adopted a robotic maid, and were eating a combination of fast food (prepared microwave style and delivered via a sliding window) and nutrient pills. Now, while the hovercrafts haven’t come to pass, I have a robotic maid. It’s called the Roomba and it vacuums my floors when I’m not at home. Check it out: http://en.wikipedia.org/wiki/Roomba. Further, all around me people are getting fast food delivered via a window (called a drive-thru), are microwaving dinner, and are using nutrient supplement pills and meal replacement drinks. Very Jetsonesque. The New Body Type What isn’t Jetson-esque is the fact that part and parcel with our new habits is an ever increasing obesity problem. Since 1985 there’s been a tremendous rise in US obesity with 3 US states boasting obesity rates over 30%, 30 states over 25%, and the remainder of the US states over 20%. And the stats are headed in the same direction in most industrialized countries. Scary. Recently I went to the zoo and was checking out the native body types associated with different animals. And I got to thinking about the human body type. Over the last 20 years we’ve begin to reengineer the human body. In essence, our architecture is different. On average we carry around so much more fat. Unfortunately, in conjunction with this, our bone and muscle architecture has taken a hit. So, in the end, on average, we’ve got less muscle, brittle bones, and way too much fat. Not good. The Cause So, why is it that we find ourselves in this predicament? Well, there’s no question that highly processed fast food plays a role. So do the highly processed carbohydrates, like breakfast cereals, store-bought breads, and white pastas we’re eating instead of true whole grains. So do the snack foods we’re accustomed to enjoying like crackers, chips, and candy bars. So do those sugary drinks, which can contain almost ½ our daily calorie requirement in a single cup. And finally, we can’t forget all that fatty, industrially raised meat that we’re eating in the absence of an equal amount of colourful veggies. In the end, these dietary choices have put us in a bad position nutritionally. We’re fatter than ever. But we’re also suffering from a host of clinical and sub-clinical deficiencies. Deficiencies Everywhere Many experts suggest that supplements aren’t necessary when the diet is complete. Unfortunately in North America, the diet is pretty much never complete. Can you believe that 68% of the population is deficient in calcium, 90% in chromium, 75% in magnesium, 80% in vitamin B6, and 95% in omega 3 fats? In fact, in a recent study, even athlete diets didn’t measure up. In this project, the diets of 70 athletes were analyzed for vitamin and mineral intake and not a single one met the recommended daily amount. All of them were deficient in 3 to 15 nutrients. Beyond this, other research has shown the following: Less than 5% of men and 3% of women get the minimum number of fruits and veggies per day (3-5 servings). On average, women are getting only 80g of protein per day (when optimal intakes may be closer to 120-140g) and men are getting only 120g of protein per day (when optimal intakes may be closer to 170-190g). I’m definitely not one to heavily promote nutritional supplements. However, with the deficiencies above, folks have to either improve their food intake tremendously or they have to start supplementing their diets with things like: 1) Protein supplements 2) Fish oil supplements 3) Greens supplements and Multi-vitamins For more on these, check out our recommended nutritional supplements page at the Precision Nutrition web site. Turning To Nutritional Supplements It’s for these reasons it’s been reported that over 71% of the US uses supplements occasionally while over 42% uses them regularly. Unfortunately, the data also suggest that those who use supplements also engage in more positive health behaviors, are more proactive about their health, and generally eat better diets. This is great news for those who take these positive steps. However, what about the rest? Ironically, it’s those folks who need supplements the most that aren’t using them. Can We Get Better? One way that government and private organizations have tried to tackle the nutritional problems we’re having is to introduce instructive food pyramids. The USDA food pyramid recommends 6 oz of grains, 2.5 cups of vegetables, 2 cups of fruit, 3 cups of milk/dairy, and 5.5oz of meat/beans daily. In conjunction, they recommend daily exercise. And while this advice is probably better than most folks are doing, the Harvard food pyramid, in my opinion, is a bit better than the USDA pyramid. The Harvard Pyramid focuses on whole grains instead of grains in general; it also incorporates plant oils (olive, etc.) as a major portion of the base of the pyramid. The fruit and veggie recommendation is similar but protein sources are better specified with a higher % coming from nuts and legumes, as well as fish poultry and/or eggs. In addition, dairy is not emphasized so heavily. And foods high in saturated fat and processed carbohydrates are minimized. Finally, supplements (daily multi-vitamin and calcium supplement) are encouraged. These recommendations are much more solid when talking evidence-based prescription. In other words, the research supports these recommendations as being superior in terms of general nutrition. Interestingly, one pyramid that also has a lot of merit is the Low Carb food pyramid. This pyramid emphasizes proteins, a wide variety of fats, and fibrous vegetables. And it minimizes fruits and starches. Often people get confused by this somewhat disparate advice. However, there’s an easy way to reconcile it. In the Precision Nutrition System we discuss that eating for your body type can fast-track results by teaching you how to choose a diet based on your inherent hormonal status. For example, ectomorphs benefit most from higher carbohydrate, moderate protein, lower fat diets. While endomorphs benefit most from lower carbohydrate, high protein, higher fat diets. For more or these distinctions, including an analysis of your own type and what you should be eating, see the Precision Nutrition System. How Do Dietitians/Nutritionists Fit In When it comes to nutritional intake, dietitians and nutritionists often base their advice on the results of 3 day food records. In other words, individuals write down exactly what they’ve eaten for 3 representative days of the week. And then this intake is analyzed for total calories, macronutrient breakdown, and micronutrient intake. Based on the results of this, suggestions are made for better distributing calories, making better food choices, and boosting micronutrient intake. And these suggestions are often based on the USDA food pyramid above. Unfortunately this approach can often be too general as it doesn’t take into account a host of individual variations in: food sensitivity organ function GI function body type genotype and more… So, in essence you end up with a better diet. But not necessarily an individualized diet. And for many people, this can make all the difference! The Future Is Individualization The major difference between nutrition of today and nutrition of the future will be individualization. We discussed body type individualization earlier. And that’s one form that we’re using to customize people’s nutrition plan based on their overall shape and hormonal status. However, in the future, nutritional advice will be even more individualized. It’ll be based on 3 specific types of metrics: 1) Blood Chemistry Individualization 2) Psychometric Individualization 3) Genetic Individualization Blood Chemistry Individualization Our blood chemistry can tell us a lot about what we’re not getting enough of, nutritionally, and what we may be getting too much of. Indeed, a simple blood test, if your practitioner knows what to look for, can be enough to tell us a host of things about your dietary intake, your functional metabolism, and more. In the past, blood chemistry work was the exclusive domain of research labs and physicians. But we don’t have to look too far into the future to see that blood chemistry based recommendations have moved into the health and fitness domain. Indeed, several popular health club chains draw blood on site and provide a printout with a complete wellness score based on blood results and a lifestyle questionnaire. Now, unfortunately, these results aren’t acted on comprehensively in the health club setting. Instead, they’re passed back to the client who then has to take action with a medical professional. Further, the results probably don’t lead to nutritional prescription by a registered dietitian. They are mostly for information purposes. The problem is this. The reference ranges used in these tests (and those used by 99% of the physicians out there) are almost useless when it comes to individualizing a proactive health plan. So, unless someone is really sick, their results fall typically fall in the normal range. And when people fall into the “normal range” they’re told that they’re healthy. Unfortunately these terms aren’t one in the same. For more information on why the standard reference ranges are completely inadequate in analyzing the health of people who aren’t clinically ill, check out this video by Precision Nutrition advisor, naturopath Bryan Walsh. Fortunately, some companies, like ours, have taken it the next step and provide comprehensive blood chemistry analyses based on “optimal ranges”. Here’s how we do it. You sign up for the blood chemistry screening online. Then you go into a local specimen collection center. Your blood is drawn, analyzed, and then sent to us. We can then use our own proprietary “wellness reference ranges” to determine where you’re at based on your desire for health – not just based on a comparison to sick people. And then we can make recommendations to help improve your health profile – from nutrition to exercise to supplementation. For more on this service, click here. In the future, this type of dietary analysis and prescription will be the standard of care for dietitians and nutritionists. Before ever having your diet analyzed or recommendations made, your practitioner will have evaluated your blood work to determine your health and nutrient status. From here they’ll know whether there are inherent problems that need to be addressed before nutritional interventions can have a significant impact. Interestingly, when health or nutrient deficiencies exist, many times IV therapies can be initiated immediately to bring your nutritional state up to par. Then, once the body is functioning normally again, a new set of dietary recommendations can be suggested. Psychometric Individualization Psychometric tests have been used since the early part of the 20th century and aim to measure personality traits such as creative thinking, reasoning skills, self-structure, self-discipline, and more. Traditionally, this type of testing has been used by potential employers to give them insight into how well an applicant will work with others, how well they handle stress, and whether they’ll be able to cope with the intellectual demands of a particular job. However, working in conjunction with one of the top psychometric profile testing companies in the world, we’ve created a specific test that measures the following domains (and a host of sub-domains): Competitiveness Self Discipline Confidence/Resiliency Leadership Decision Making Rules Orientation Team Player Coachability In the last year, we’ve collected psychometric data on over 1,000 members of our coaching program and the data collection is ongoing. From these data we’re deriving important relationships between measured psychometric indices and success with nutrition and lifestyle interventions. And we’re currently offering this type of testing to customers online. For more on our psychometric profiling services, click here. In the future, these types of psychometric analyses will be the standard of care for dietitians and nutritionists. Working in conjunction with coaching techniques, such as those outlined in the book Motivational Interviewing, nutrition practitioners can use psychometric profile results up front to determine the best strategies for helping you make changes to your lifestyle in a way that will be motivating and empowering. And the best part, the results of these assessments can assist the practitioner on day 1, before even meeting their new client. Food aside, this may be the most important development of the future. And I look forward to a time when health care professionals are meeting clients exactly where they need to be met, when recommendations are based on the clients’ own individual desires, motivations, and lifestyles. Genetic Individualization Nutrigenomics is the study of how genes and nutrients interact. Until recently, we knew this field of science was an exciting area that would someday change the future of nutrition, medicine, and more. However, in our minds all this crazy gene-nutrient stuff was still wrapped up in mystery. It was the stuff futurists hypothesized about rather than the stuff physicians, nutritionists, and health experts could use every day. And certainly, this type of testing was exclusively for the lab. The technology just wasn’t ready for everyday folks. However, a few months back nutrigenomics took the big leap. It was no longer part of the future. It became the now. Our understanding has grown exponentially. And the technology has cooperated brilliantly. As a result, the science of how our genes interact with the food we eat - and how we can manipulate these relationships to look better, feel better, and perform better - is now shaping the way people eat worldwide. And soon, nutrigenomics can help you understand how to make better nutritional choices for reducing disease risk, for improving health profiles, for choosing the right type of exercise to lose fat and gain muscle, and much, much more. The first step to understanding this is to understand that inside every one of our few hundred trillion cells is our genome or, our genetic code. This code is made up of a series of chromosomes and each chromosome is made up of strands of DNA. Embedded in our DNA are specific codes that make proteins. And these proteins act alone or in complexes to run almost every cell’s functionality. Interestingly, we don’t all have the same codes in our DNA. Very small, between-individual variations in these codes can produce proteins that are either slightly different or very different. And these differences in proteins shape our unique individual differences/physiologies. And interesting example of this is CYP1A2. This is an enzyme (protein) in our liver that metabolizes caffeine. And in our chromosomes, we can either have the code to make a “slow” version of CYP1A2 or a “fast” version. The slow version is so-named because it metabolizes caffeine more slowly while the fast version is sonamed because it metabolizes caffeine more quickly. Recent research has shown that those folks who have the slow version and drink 1-3 cups of coffee per day can see fairly marked increases in heart disease risk. However, in those folks that have the fast version and drink the same amount of coffee per day, heart disease risk is lowered. Same dose, different outcome. So, in the end, those with the CYP1A2 slow version are best advised to minimize high caffeinated drinks while those with the fast version can get away with a bit more caffeine each day. Dozens of other genetic differences exist. For example: ApoE is a protein that impacts blood lipids. And we can end up with 3 variations of the protein - ApoE2, ApoE3, and ApoE4. Interestingly, ApoE4 is linked to increased risk of heart disease and Alzheimers. And these risks are amplified with smoking. When you smoke, you have a 1.5x increase in heart disease risk. But when you smoke and have ApoE4, you have a 3x increase in heart disease risk. This may be due to the fact that those with this protein have an increased risk of oxidative stress and a reduced LDL clearance by the body. So, in the end, if you have the ApoE4 protein, you’re best advised to stop smoking, to make dietary adjustments to lower LDL cholesterol, and to increase your intake of antioxidants to prevent oxidative stress. MTHFR is an enzyme (protein) that metabolizes folic acid thereby decreasing homocysteine levels in the body (homocysteine is associated with heart disease). Interestingly, one genetic variation of this protein leads to reduced activity. This is due to a slight alteration in the shape of the enzyme. When activity is reduced, homocysteine is increased and so are the risks for heart disease and several cancers. Research has shown that large doses of folic acid and B12 can improve MTHFR associated folic acid metabolism, leading to lower homocysteine and decreased risk. These are but a few examples of how our unique genetic makeups (whether we seem healthy or not) can give rise to very specific nutritional recommendations based on our genetic type. And it’s now possible to have our genetic code tested to determine what our specific needs are. Indeed, through Precision Nutrition we’ll soon be offering this service. For more information, click here. Summary In the future, blood chemistry, psychometric, and genetic tests will most likely round out a suite of services offered by your health care provider, possibly even your dietitian/nutritionist. Rather than simply reviewing your diet and making recommendations based on a generalized nutrient needs template (i.e. reference intakes and the food pyramid), your blood chemistry, genetic profile, and psychometric profile will determine not only your physiological needs but the psychological tools your provider will use to help make the process fun and effective. And you’ll not only end up with customized nutritional recommendations, but also customized nutritional supplements that are designed for your very own physiology. About Dr. Berardi Dr John Berardi is the president of Precision Nutrition, a world leader in nutrition planning and education for athletes and exercisers of all levels. A renowned speaker, coach, and mentor to athletes and recreational exercisers around the world, Dr. Berardi splits his time between Austin, Texas and St. Catharines, Ontario. Nutrition for you The Precision Nutrition System Eat. Improve. Impress. Precision Nutrition started with a single question: what exactly should people eat to 1) look fit, 2) be healthy and 3) perform to their highest potential? To answer that question, we condensed 10 years of research, both from the lab and from the field, and the experiences of nearly 45,000 PN members from over 95 countries, including both everyday folk and Olympic gold medalists, all into one system — the Precision Nutrition System. The Precision Nutrition System is a true comprehensive diet guide that includes the following: Gourmet Nutrition, Volume 1. A complete cookbook containing over 100 delicious, PN-sanctioned recipes. Success Guide. 10 success strategies guaranteed to help you get in the correct frame of mind and stick with the plan long-term. Diet Guide. A comprehensive guide to nutrition. Everything is covered from food selection to meal timing to nutrition program design. Quick Start Guide. Step-by-step instructions to get started on the right foot in under 45 minutes. Super Shake Guide. Delicious shakes and smoothies that make great nutrition easy and quick, especially on the go. Five-Minute Meals. Quick, tasty meals that can be whipped up in minutes, when time is of the essence. Measurement Guide. Why measuring results is critical; exactly what to measure, and how. Individualization Guide. How to customize a diet to any body type and goal, and how to use feedback from measurements to perfect the plan. Maintenance Guide. Maintenance is often more challenging than dieting. In this guide we’ll show you how to keep the body you’ve worked for. Support Guide. Make the best use of the support around you. And more… Each part of Precision Nutrition directly supports the ideas in the attached ebook. So if what you read makes sense to you, you’ll love the Precision Nutrition System. To take the next step & become a PN client yourself, visit us at: www.precisionnutrition.com/products/system.html