Healthy eating habitsby Dawid MichalczykLast update: 23 March 2008 Disclaimer: This article represents personal views and should be treated as such. Implementation of any ideas contained herein can only be done at own risk. Original article location: http://www.art.eonworks.com/articles/healthy_eating_habits.html Summary: Based on 18 years of nutritional and dieting experience I describe my views on what constitutes a healthy diet. I suggest a range of healthy eating habits along with meal examples. The diet is simple to implement and relatively low cost. I spend about US $150/month.
I have a deep interest for health, diets and nutrition. I have been experimenting with
nutritional and dietary aspects of health since 1990 and keep journals about my
observations. Over time, I tried several different diets - ranging
from the politically correct ones to the highly controversial, along with diets
of my own design. Although diets vary in their effectiveness - some can cause more harm than good -
my general observation is that a healthy diet plays an essential role in the overall scheme of well being.
Why eat healthy?Eating the natural foods humans are well adapted at utilizing, enhances ones ability to cope with the reality of every day life. This in essence
I believe good health is the most important thing in life - because it gives you freedom. Freedom to pursue your dreams and do all the things that poor health won't permit. Any significant health problem, chronic or acute, will bring your life balance out of order. Not just your own bodily balance but everything and anybody you normally interact with will be affected. Many of your relationships and activities will suffer in some way. You may not be able to fully support yourself and may have to rely on others. Illness strains relationships by making life of those around you more difficult. Basically a myriad of different problems will arise from poor health. Ultimately poor health limits what you can do in life - it imprisons you.
I think anybody who seriously tried living healthier through a better diet,
proper physical activity, adequate rest, and by addressing mental and
spiritual factors have experienced a vast range of natural health benefits.
Common benefits are overall better health and a sense of well being, better sleep,
improved physical endurance and strength, sharper mental abilities and lower
sleep requirements. Further more no or little time, and money, and energy is
spend on doctors, hospitals and health insurance bills.
What is a healthy diet?
In order to determine the minimal basic requirements of a healthy diet, I concluded that it is safe to start with the following two objectives:
Looking at the type of diets humans lived on through out pre-history, provides good insights into the kind of foods human body is well adapted at utilizing and dealing with. Further, the diets of certain ethnical groups that are well known for good health - the people of Okinawa (Japan); traditional cultures in the Mediterranean region; and many hunter-gatherer societies - suggest certain health promoting dietary habits. Upon closer examination of the above mentioned objectives, two main denominators emerged:
A) diets are based on natural, whole or minimally processed foods in accordance to heritage.
In the context of present time, one can therefore make two general assumptions in regard to
the question of what constitutes a healthy diet: 1) generally, the less a food is processed the better.
2) eat less - eat what is adequate, do not over eat.
Generally, the less a food is processed the betterThe reason for this is simple. For 99.9% of human existence, our species lived on foods that were either raw or minimally processed. The technology needed to increase food processing did not exist until very recently. It is therefore reasonable to assume that our bodies are best adapted at utilizing and dealing with the raw or minimally processed foods which sustained us, and our predecessors, for millions of years: fruits, vegetables, meats, nuts and seeds.
Now, let's fast forward to recent times and consider all the new, human invented, highly processed foods so common today: fast foods, pizza, sweets, chips, convenience foods, canned foods, etc. along with the dramatic rise in heart attacks, high blood pressure, stroke, cancers, diabetes, liver and kidney problems (and all the complications that arose from these conditions) during the past 100 years or so. Considering the declining health of most western nations as opposed to good health of the ethnical groups described above, it seems reasonable that the most recent food inventions are directly harmful to human health. Further, it has been repeatedly observed that as ethnical groups around the world adopt the modern western diet, their health dramatically declines and they develop the same diseases that are so common to westerners. Not to mention the fact that the above listed diseases were far less common among westerners themselves barely 100 years ago.
A good diet is based on natural, whole or minimally processed foods. A large portion
of it should consist of foods that can be eaten raw, such as fruits and vegetables.
Fermented or cultured, unpasteurized foods such as kefir, yogurt, cheeses, miso, sauerkraut and pickles
are considered highly beneficial in many cultures. Cooking should be minimal and only applied to foods that
must be cooked in order to be edible. Ancestral heritage also plays an important role
as certain foods may need to be excluded or emphasized.
Eat less - eat what is adequate, do not over eat
In the past, as in the traditional way of living among the ethnical groups mentioned earlier, food consumption has always been significantly lower. Food quality, on the other hand, has always been higher. Resulting in a lower food intake, but of nutrient dense foods.
Finally, as an interesting note, it has been repeatedly confirmed through laboratory experiments on animals,
including monkeys, that cutting down calories considerably lowers their susceptibility
to diseases and prolongs their life up to 50%. Some scientists believe
that life long caloric restriction can have similar effects on humans.
Health promoting eating habitsOver time, through learning and experimenting, I worked out many healthy eating habits. I list the most important below. I feel they are essential to creating a solid foundation for good health. If you'd like to experiment with them, try one at a time, say for a few weeks, and observe how you feel. You may find that they will work quite well for you. Damaged or oxidized fats and high heat cooking. Avoid all refined or overly heated fats: margarine, any oil that is not cold pressed, leftover fat from cooking, all foods that contain hydrogenated or partially hydrogenated fats and trans fatty acids. Read the labels. Such fats are considered to be among the most health damaging foods due to their damaged (oxidized) state (or the ease at which oxidation happens in them). Other foods to avoid include: polyunsaturated oils, any meat or fat that has been exposed to high heat like frying or grilling, powdered eggs and dairy (often found in baked goods), homogenized dairy products (except butter and cream, which are not homogenized), aged meats and cheeses and baked goods that contain dairy. Do not cook meat or fat at high temperatures while exposed to air. Such practice will avoid fat and cholesterol oxidation - believed to be responsible for build up of arterial plaque and injury to arterial cells. Grilling and frying is especially harmful. Avoid eating the outer layer of meat and fat cooked in hot air, like in the oven. Cooking in water is probably the safest way of cooking meat and eggs. Polluted foods. Avoid or minimize consumption of foods polluted with unnatural, toxic or other unhealthy substances. Avoid consumption of fish and water animals unless certain they came from unpolluted waters. Especially predators should be avoided as the toxins accumulate in them in far greater quantities. Minimize intake of all plant and plant based foods sprayed with pesticides and other chemicals commonly used to cultivate them. Avoid meats form animals treated with hormones and antibiotics. The best way to avoid all these harmful ingredients is to buy only organic foods. Unfortunately this is not always possible. Later in this article I describe which foods are especially high in pollutants. Polyunsaturated fatty acids. Keep the intake of foods high in polyunsaturated fatty acids (PUFAs) low - mainly nuts and seeds and any products made from them (mostly oils) and containing them (especially commercially baked goods like breads and cookies and butter substitutes). Virtually all oils, except olive, palm and coconut oils are high in PUFAs, and some of them are widely used in commercial food production due to their low cost. PUFAs are unstable, they oxidize readily resulting in health damaging free radicals. High PUFA intake have been repeatedly linked with cancer, heart and inflammatory diseases. If you are suffering from any of these diseases, eliminate or greatly limit intake of all food sources high in PUFAs from your diet - nuts, seeds, oils made from them and foods containing them. (A few small handfuls a week of fresh nuts is healthy, especially if you eliminate all sources of processed foods high in PUFA.) NOTE: There are two polyunsaturated fatty acids which are essential for health: omega 3 and omega 6. Many people are deficient in omega 3 and consume excessive amounts of omega 6 (which leads to the above described problems). It is essential to keep the intake of these fatty acids within recommended range. Although nobody knows what the ideal range is, most experts seem to agree that the ratio between omega 3 to omega 6 should be between 1:2 to 1:6. Mary G. Enig, PhD, a well known authority on fatty acids, writes in her "Know your fats" book that the minimum intake of essential fatty acids should be 1-1.5% of energy (kcal) from omega 3 and 2-3% of energy (kcal) from omega 6. So on a 2000 kcal diet one needs at least 2.2-3.3 grams omega 3 and 4.4-6.7 grams omega 6. Rich sources of omega 3 are flax seeds/oil and fish oil. All plant oils except olive, palm, flax and coconut are relatively high in omega 6, sunflower and sesame seeds are an especially rich whole food source.
Fungi and mycotoxins.
Minimize or eliminate consumption of foods frequently contaminated with fungi and mycotoxins:
alcoholic beverages, wheat, rye, barley, corn, peanuts, dried fruits and (even slightly)
damaged fresh fruits. Mycotoxins are poisonous substances produced
by certain molds and fungi which can cause a wide range of health problems including cancer,
asthma, multiple sclerosis and diabetes. To minimize the health risk of these foods, make
sure to buy only organic brands that come from reputable manufacturers and buy them as fresh
as possible. The longer a food has been stored the greater its chance of becoming contaminated
with molds and fungi. Always wash grains clean and cook them thoroughly by boiling them for at
least few minutes before further cooking. This will lower the content of possible fungi in
the grain. Mycotoxins are very heat resistant, even frying or roasting does not eliminate them.
(The most important are listed first)
For example, when the intake of essential amino acids is insufficient, protein synthesis (building cells and repairing tissue) comes to a halt. Immunity is also lowered as amino acids are needed to form antibodies to combat the ongoing invasion of pathogens like bacteria, viruses, parasites and fungi. Basically, a whole host of problems arise only because of insufficient protein intake. On the other hand, excess protein consumption will put extra stress on the liver and kidneys. It may result in loss of calcium, which eventually leads to osteoporosis or kidney stones. Overconsumption of copper rich foods (tea, coffee, chocolate, cocoa, nuts, seeds, drinking water that runs through copper pipes, and others) can lead to a host of serious health problems like anemia, nausea, vomiting, moodiness, depression, heart disease, joint/spinal degeneration, increased susceptibility for infections, higher risk for some cancers, and other. Insufficient copper intake can lead to insomnia, depression, low immunity, vascular degeneration, premature graying of hair, and others. The easiest way to ensure that you are getting a relatively balanced amount of known nutrients is to acquire a computer program to automatically calculate the daily intake of nutrients based on the consumed foods (see Resources). Finally, keep in mind that nutritional needs vary (greatly) depending on genetics, age, state of health, and the amount of physical, mental, and emotional activities you are going through every day. Even moderate exposure to mental or physical stress may dramatically increase the amount of certain nutrients needed - far exceeding the Recommended Daily Intake. Overall it is a good thing to supplement with high quality (from reputable brands) vitamins, and a mineral and trace mineral complex if the daily nutritional intake from food is insufficient. The more natural and less processed the food, the better its health promoting value. Some nutrient loss always occurs during food processing, thus emphasize whole and minimally processed fresh foods. Such foods are rich in a variety of high quality nutrients like vitamins, minerals, antioxidants, enzymes, flavonoids, fats, carbohydrates, proteins and others - including the ones not yet discovered. Replace white rice with brown rice; white bread with whole grain bread; sugar with small amounts of raw honey or dry fruit; pasta with whole grain pasta; canned foods with fresh; candy and other sweets with dry or sweet fruit; etc. Always choose fresh over frozen, dried or canned foods. Fresh foods taste better, have more nutrients in them, have no added salt, sugar or unhealthy additives. Choose frozen over canned if fresh food is not available. Less processed foods are also lower in potentially harmful chemicals that may have been introduced during the production process. For example, fruits or vegetables may contain remainders of the detergent used to wash it prior processing. All processing machines need to be maintained by cleaning and repairing, which again may introduce small amounts of harmful chemicals into the food. The longer the food processing chain the more potentially harmful chemicals may end in the food. Some may argue that the amounts are too small to matter, but the truth is that such artificial chemicals have never been part of human diet until very recently. Eat only when hungry and do not overeat regardless of food. This habit helps create a balance in the body that leads to a healthier state of being by letting the body naturally regulate its needs. Hunger is a signal. It indicates that the body needs and is ready for more food. Fullness is another signal indicating adequate food intake. Some conscious practice is needed to get a good sense for when to eat and how much. What works well for me is to eat within 30 minutes from the time I feel hunger. Do not wait too long unless fasting or cleansing is desired. If hunger is never present (usually due to over-eating or eating unhealthy foods, or too much fat in the diet), one should adapt healthy eating habits, correct nutritional imbalances, get adequate and proper amounts of daily exercise, rest, and address mental health. NOTE: This habit should not be followed if you have a chronic illness, are recovering from an illness or feel stressed in daily life. Under such conditions you should eat as soon as hunger is felt or at regular intervals regardless of hunger. It is absolutely essential to provide the body with adequate and high quality nutritious foods to help cope with the demands of such situations. Variety and moderation in diet is important. By consuming a variety of healthy foods in moderation you get a more balanced intake of a wide spectrum of nutrients (vitamins, minerals, antioxidants, flavonoids, fats, etc) and lower the risk of getting too much, or too little, of any food or nutrient. Moderation and variety helps prevent allergies, malnutrition, overdose (of any nutrient), and lowers exposure to natural and man-made toxins found in many foods. Although moderation is important it does not ensure a balanced nutritional intake. (Read the first item) Buy organic foods whenever possible. Until about the early 1900s all food was organic. It was the norm since the beginning of life on this planet. Modern agriculture industry practices have changed that. As a result, mineral-deficient soils are commonly used for plant cultivation. This created many problems. Humans and the animals we eat, get their food from plants, and plants get their nutrients from the soil. Mineral-deficient soil results in mineral-deficient plants and the animals that consume them - including humans. Thus the regular, non-organic, foods are of poor nutritional quality - often far lower then the natural or organic equivalent. Some scientists believe that human malnutrition caused by consumption of mineral-deficient foods is the root cause of many diseases. Taking supplements is helpful but may not be sufficient. New nutrients are being discovered frequently. Thus there may be hundreds or thousands of health promoting undiscovered nutrients. They may all be important and some may be essential to human health - but sufficient amounts may only be found in organic foods. Further, organic foods do not contain the harmful pesticides, hormones or antibiotics frequently found in conventional foods. If getting organic foods in not possible where you live, it may be necessary to supplement with high quality (from reputable brands) vitamins, and a mineral and trace mineral complex in order to minimize possible malnutrition. At least half of the diet, by volume, should consist of raw foods. Only cook foods that need to be cooked in order to be edible (meats, beans, grains and some vegetables). Foods that are edible in a raw state (fruits, many vegetables, sprouts, nuts and seeds) should be consumed on a daily basis and preferably with every meal. Raw foods are higher in nutrients, which to some degree get lost during cooking, and are easier to digest. Ensure adequate fiber intake. Fiber is the mostly non-digestible carbohydrate found in plant foods. There are several types of fiber and they all have different properties that are essential for good digestion and health. Adequate fiber intake help prevent cardiovascular diseases (heart and stroke), type 2 diabetes, cancer and gastrointestinal disorders. Fiber is also effective at eliminating toxins, parasites, and is the best remedy for constipation. The usual sources are vegetables, fruits, grains, nuts and seeds. The first signs of inadequate fiber intake are constipation and long transit times. Healthy transit should take no longer than one day. Raw fruits and vegetables are best at helping with transit times. It has been estimated that at least 35g of fiber a day is needed for proper bowel function. Most people consuming the typical western diet get less then half of that. High fiber foods are: grains (especially bulgur and oatmeal), legumes and beans (especially pinto and kidney beans), dried fruits (especially figs, apricots, dates, prunes, bananas) and nuts and seeds. Soak grains, nuts and seeds before consumption. Grains, nuts and seeds contain phytic acid and various enzyme inhibitors. Phytic acid combines with iron, calcium, magnesium, copper and zinc in the intestinal tract and thus interferes with the absorption of these minerals. Long term exposure can lead to severe health problems caused by mineral deficiencies. Enzyme inhibitors can interfere with digestion. Heat does not neutralize phytic acid or enzyme inhibitors. Soaking, fermenting, or sprouting will largely neutralize the phytic acid and enzyme inhibitors. Fermenting also helps break down gluten, a hard to digest protein. Nuts and seeds are easiest to soak and let sprout. Whole grains or flour should be soaked in an acidic medium like buttermilk, yogurt, whey, lemon juice or vinegar (1 tablespoon per 100g grain). Soak for 12-24 hours. Oats, wheat and rye are especially high in phytic acid. Rice does not need soaking. This rule is especially important to follow if you eat a lot of grains or make your own grain based foods like breads.
Always properly wash fruits and vegetables before consumption. This lowers the exposure to agricultural chemicals used to cultivate plants, and harmful microorganisms. A frequently recommended way of washing fruits or vegetables is to first submerge them in water for 5-10minutes - in order to loosen/soften any dried particles - then to gently rub the food item under clean running water. A more thorough procedure includes, after the initial washing, soaking the food in water mixed with some kind of suitable cleaning liquid for 15-30 minutes. There are many different recommendations as for what to use, but none seem to be completely effective at eliminating all harmful microorganisms. I usually use 50ml of vinegar for each liter of water and soak it for up to 30 minutes. Washing salad leafs is especially important as you can't peel its skin. Peel the skin if washing is not sufficient, especially if the surface is covered with a thin layer of wax. Steam vegetables that need to be cooked. Steaming preserves more nutrients. Do not overcook. Cooked vegetables should be crunchy when you eat them, not soft. Vitamin loss, especially vitamin C, increases when exposed to higher temperatures. Less heat and shorter exposure (5 minutes or less) lowers the vitamin loss. Chew food well and eat at a comfortable pace. A very simple yet highly effective and safe way of improving digestion. Digestion starts in the mouth as saliva gets mixed with the food during chewing. Saliva has many important properties. It contains an enzyme which initiates the breakdown of carbohydrates; it has anti-bacterial properties; helps nourish and repair the gut; it helps keep the mouth and teeth clean. By simply chewing food longer, or more thoroughly, you can significantly enhance digestion in a matter of days. I still remember how impressed I was the first time I put this to use. The whole process of digestion felt significantly easier and gentle.
Cultured and fermented foods. Regularly consume unpasteurized fermented/cultured foods like sauerkraut, miso, pickles, kefir, yogurt, etc. These are pre-digested foods that are high in probiotics (friendly bacteria) and enzymes which provide numerous health benefits. They help prevent intestinal infections from viruses and bacteria; help keep the intestinal lining healthy; can prevent diarrhea and can lower cholesterol levels. The Lactobacilli and Bifido bacteria, have been found to display anti-cancer activity. Unfortunately, many of the above mentioned commercially available probiotic foods do not contain any living bacteria. Heat, inadequate transportation and storage kills the beneficial bacteria. The most reliable way of benefiting from these foods is to make them at home. I keep a steady supply of fresh kefir or sour milk, full of living probiotics, in the kitchen. The process of making kefir or sour milk is very simple and takes less then a minute of daily effort. Making sauerkraut can take 30min or more depending on quantity, but once it's done it lasts for weeks to months. Start with what your ancestors consumed and later experiment with foreign foods as well. Ancestral diet. Consider the diet (and lifestyle) your ancestors had for thousands of years. You will most likely do very well on such a diet (with modifications based on modern nutrition) due to the long period of adaptation. For example, the traditional Chinese diet is high in carbohydrates and low in fat and protein; Europeans, on the other hand, have been eating less carbs and more protein and fat; North American Indians did not consume grains, etc. Enjoy simple meals. Generally, the simpler the food preparation the more nutrients are preserved and the easier it is to digest. Simple meals are easy and quick to prepare and use fewer resources like electricity and water - thus are more environmentally friendly and cost less. Eat juicy fruit by itself. Juicy or watery fruits are usually best eaten alone as a snack between meals - unless you can find a combination of foods that works well. To improve digestion only eat one type of fruit at a time.
Good sources of protein
Good sources of carbohydrates
Good sources of fats
Food shoppingI always try to find organic foods to avoid harmful substances like hormones, antibiotics, pesticides, etc. The most contaminated fruits are: raisins, cherries, peaches, strawberries, mexican (winter) cantaloupe, apples, apricots, Chilean (winter) grapes. And the most contaminated vegetables are: spinach, celery, green beans, bell peppers, cucumbers, cultivated button mushrooms, potatoes and wheat. Lean poultry is probably the safest meat to eat if not organic. I plan meals loosely, 1-2 days ahead. The meal preparation is very simple: meat and eggs are simmered in water, vegetables that need cooking are steamed. Since certain food vitamins become more bioavailable once exposed to low heat cooking, it is a good idea to alternate between cooked and raw vegetables. For example, Beta-carotene found in carrots becomes more absorbable after light steaming. I adjust the quantity of food according to how physically active I am during the day.
I also take vitamin and mineral supplements.
I use spices in small quantities along with high quality unprocessed mountain salt.
Kefir or sour milk are made at home from organic full-fat, unhomogenised pasteurized milk.
Sprouts are home grown as well for maximum freshness. Both are easy to make and require
only few minutes of daily attention.
Final thoughtsAlthough maintaining healthy eating habits can make enormous improvements to ones health, it's only one essential part of healthy living. The other parts are proper and adeqaute physical activity, mental and spiritual well being, and adequate rest. All need to be addressed in order to achieve better health.
An important thing I learned while experimenting with diets and other health related approaches is to always pay attention to the signals from the body. It's essential to do this - in order to maintain good health - and adjust accordingly. As one gets better at reading the body, it becomes natural to self diagnose a lot of minor problems (which can become major if not paid attention to) and remedy them by simply adjusting the diet or other aspects of life. Finally, we are all different - what works for one person may not work for another - thus it's important to learn about and experiment with nutrition to find out what works and what doesn't.
RESOURCESRecommended websites:
www.westonaprice.org - by building upon the work of Weston A. Price, this site provides a rich source of information about health and nutrition. Their recommendations are based on time proven traditional approach to diet and health along with scientific studies, rather than hype or political-correctness. www.beyondveg.com - a superb site dealing with: " Reports from veterans of vegetarian and raw-food diets, veganism, fruitarianism, and instinctive eating, plus new science from paleolithic diet research and clinical nutrition." A fascinating read for anybody who has been into health and diets for some time. Nutrition Software - a directory of nutrition software that can help you track the daily intake of vitmains, minerals, proteins, carbs and fats. Sprouting basics - an excellent introduction to sprouting nuts, grains, seeds and beans by Tom Billings. Dom's kefir - a comprehensive guide to kefir making at home. www.wildfermentation.com - fermenting foods information. USDA National Nutrient Database - find out the nutrient content of many foods. The database files are freely available along with free software. Nutrient Search Tool - this neat online tool lets you find nutrients in foods sorted by quantity.
Dawid Michalczyk is a freelance illustrator and an artist. He has been making computer graphics since the early 90's. He loves bicycle trips and long walks in the outdoors. To see examples of his work and other writings visit his website at http://www.art.eonworks.com. He can be reached at dm@eonworks.com Copyright © 2005-2008 Dawid Michalczyk. All Rights Reserved. This content may be copied in full, with copyright, contact, creation, information and links intact, without specific permission, when used only in a not-for-profit format. |
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