April was a busy month for me, and I spent a lot of time researching tip #3 for dramatically increasing your healthspan. I have to warn you that it’s very long and detailed. I covered a lot of material here, so you may want to print it and read it in more than one sitting. So here it is:
The Low Glycemic Index (GI) Diet
I hope all of you are still drinking water, and you have added a pharmaceutical grade fish oil supplement to your diet. Before I talk about the Low GI Diet, let’s first talk about one important concept.
Diet is the word for what you eat, not a way to lose weight.
Don’t confuse a diet with a weight loss program. Dietary change is a good foundation of a weight loss program, but there are other components including exercise, which I will address in the future
There are multiple causes of being overweight, but most of them start with what you put in your mouth. The good news is you have complete control over what goes in your mouth. I know there is an overwhelming amount of information out there, and it’s hard to figure out what to eat. I will try to clarify the confusing information for you. I'll give you my best recommendations for healthy living. These are things that I follow and believe in.
In order to take advantage of this good advice, you have to take a look in the mirror and decide to take full responsibility for your health and your life. You have to love yourself enough to become an active participant in your health. You will have to start questioning what is in the food you eat and reading the labels of the things you buy before you blindly put them in your mouth.
I believe in being practical. Do I eat pasta? Sure. I like pasta, and I like pizza, but I have them once a month or less. I believe that every meal is a new opportunity to eat well. Just because you eat pasta once, doesn't mean you've blown it. Next meal you have another opportunity to eat well. If you view each meal as an opportunity to eat well, and you eat well for 90% of your meals you will do just fine.
You must also realize that eating high glycemic index foods (pasta, bread, sugar, potatoes) with every meal is NOT an option if you want to have a long healthspan.
There are other causes of weight gain, or inability to lose weight. If you are eating a low GI diet, and exercising regularly and you still cannot achieve your ideal weight, you may have an imbalance in your hormones.
These include sex hormones (Estrogens, Progesterone, and Testosterone) as well as thyroid hormone, cortisol, and insulin. These are more medical issues and must be addressed by specific testing and recommendations for nutrition, supplements and medications. As an Anti-aging specialist, I can help you with that as well. Hormone balance of all kinds is one of the main components of Anti-aging medicine.
Now that I have given you the intro on weight loss and diet, let's get into tip#3. Here you can learn about why the Low GI diet may be best for you.
Sincerely,
Dr. Michael Green
Tip #3 - Low Glycemic Index Diet
The Low GI diet is not about weight loss. It’s about inflammation.
It may help you lose weight, but it is a diet you should eat for life. I spoke a little about inflammation in the -Fish Oils Newsletter-.
The fact is, inflammation is at the root of numerous disease processes. Everything from diabetes, heart disease, high blood pressure, and even cancer have silent, cellular inflammation as a significant contributor.
I know, you may be saying "how can one thing be responsible for so many diseases?" Well it is, and I will try to explain it.
You learned about the eicosanoid hormones in my fish oil newsletter. There is a balance between “good” eicosanoids and “bad” eicosanoids. To refresh your memory, here is the table that shows the different effects.

Carbohydrates: What's the problem?
Just like the fats I spoke about in "Share The Health Volume 1:2 Fish Oils," the problem is not all carbohydrates. There are good carbs and bad carbs. In the simplest form, it boils down to the focus of this article: glycemic index.
The glycemic index is a measure of how high your blood sugar goes when food gets broken down and absorbed into the bloodstream. It was first proposed in 1981. Can you believe it’s a 25 year-old concept and most people have never heard of it?
High glycemic index foods get absorbed very quickly leading to a blood sugar spike. Low glycemic index means slower absorption and a steadier blood sugar. The glycemic index gives sugar an arbitrary value of 100. All foods are compared to that. Low GI is considered to be 55 or less. Over 70 is considered to be high GI.
When ANY carbohydrate is digested it is absorbed as sugar. In other words,to me:
bread=sugar, pasta=sugar, fruit=sugar, oats=sugar, vegetables=sugar.
That is ok, because the primary fuel for your brain, which is a pretty important organ, is sugar. The problem is when it is absorbed very quickly there is a big spike in your blood sugar. Your body says “hey, what do I do with all of this sugar.” So it releases a big spike of insulin.
Insulin is the hormone in your body that deals with sugar. The primary thing insulin does with all the sugar is store it to fat. This is important!
High Insulin=fat storage
So, you see that eating high glycemic carbs spikes your insulin and leads to fat storage. Not only does insulin cause your body to store fat, it also tells your body not to use the fat that is already stored. Now you can see why the food pyramid of the last 25 years (high in grains, breads and carbs) has resulted in a fatter, sicker American population.
Unfortunately, insulin causes other problems when it spikes. (Incidentally, one of the things we measure as a sign of health is the “fasting insulin” level. The lower it is the better.) Insulin promotes the production of bad eicosanoids. When too much sugar is around, too much insulin is made and too many bad eicosanoids are made leading to inflammation. And you know that inflammation leads to high blood pressure, diabetes and cancer.
Glycation
Another important bad thing that happens when your sugar spikes is a process called glycation. Glycation is the attachment of the sugar molecule to proteins in your tissues. Once attached, the bond between them causes the release of free radicals. These free radicals cause damage to the surrounding cells. Since collagen is one of the most abundant proteins in the human body, it gets glycated the most when sugar is abundant.
Damage to collagen in the skin leads to wrinkles and something called Advanced Glycation End products (AGE’s.) These are seen in the form of AGE spots, which are cellular breakdown debris collecting to stain the skin.
Damage to collagen in the arteries leads to hardening of the arteries, or decreased elasticity. So, it makes sense that harder, less elastic arteries would lead to high blood pressure and eventually heart disease.
Free Radicals and Anti-oxidants
I know you have heard the terms, but I want to make sure you know exactly what they mean to you. A free radical is a biochemistry word for a molecule that is missing an electron. They are generated by the normal functions of your body, and are sometimes created by your immune system to neutralize viruses and bacteria. However, environmental factors such as pollution, radiation, cigarette smoke and herbicides can also spawn an overabundance of free radicals. Because they need an electron, free radicals run around looking for electrons to steal.
Where does a free radical get an electron? It steals them from your cells! This will damage those cells. It is this kind of damage to cellular DNA which can lead to mutations. Mutations in DNA can lead to cancer. Free radical damage has been implicated in a multitude of diseases, including cancer, emphysema, Parkinson’s disease, atherosclerosis, and, yes, aging.
Organisms age because cells accumulate free radical damage with the passage of time. So, control of free radicals is an important aspect of Anti-Aging Medicine.
To prevent free radical damage, you need to have a good supply of anti-oxidants. Anti-oxidants are those generous molecules that say “here, take my electron.” That’s so nice of them, but then the anti-oxidant becomes a free radical itself because it is missing an electron. This is why it is SO important to be on multiple anti-oxidants.
By doing so, you can create a chain where each anti-oxidant donates an electron to the next one until the resulting free radical is either too weak to steal electrons from your cells, or stable enough to run around without stealing electrons.
Some of the most common anti-oxidants are Vitamin C, vitamin E, vitamin A, and alpha lipoic acid. There are also abundant anti-oxidants in fruits and vegetables. I will devote future “Share the Health” topics to different anti-oxidants and the foods that contain them.
Genetic factors, Net Carbs, Glycemic Load, and Portion Size
Genetic factors
Now you may know someone who eats all the carbs they want and is thin as a rail. In a way they are lucky. About 25% of the population has a blunted effect of insulin such that fat is not stored nearly as much, even with a high glycemic spike in their blood sugar. They are lucky because they don’t store fat, but don’t forget that the low GI diet is also about inflammation, and they can still get the cellular inflammation and free radicals that lead to disease.
Another 25% of the population has an increased response to sugar and secretes more insulin. They get a spike in insulin even with lower glycemic index foods. T hose are people who seem to gain weight even when they look at carbs. It is especially important to watch the glycemic index of the foods you eat, if you fall into this group.
About 50% of us have an average response, which means your insulin spikes with high glycemic carbs, and can be moderated with lower glycemic index carbs.
Net Carbs
Net carbs take into account the amount of fiber in the food to offset the total carbohydrates. So if you consume a food with 30g of carbs and 5g of fiber, the net carbs is 25g. The idea is that carbs from fiber are not really absorbed as sugar. I think there is some validity to this concept. You also need to consume good amounts of fiber in your diet. So using this concept as an incentive to get more fiber with your carbs is smart.
Glycemic Load
A concept that is gaining popularity among researchers is Glycemic Load. The glycemic load is a formula that takes into account not only the glycemic index of food but also the quantity of net carbs in the food. Some people believe that insulin actually responds to glycemic load and not just GI. So you can’t just look at the glycemic index, you have to take into account the portion size of the foods you eat. If you eat a teaspoon of something with a high GI, your insulin will not spike, but if you eat a double portion of something with a medium GI, you will get an insulin spike and store more fat and cause more inflammation.
Portion Size
Portion size has gone through the roof. We eat the wrong diet and in huge portions. Everything is supersized. I consider a portion to be the size of your fist. You should have one portion of low fat protein (poultry, fish, or organic pork or beef) and two portions of low GI carbs with each meal. If you care about yourself, you will eat about half of what the restaurant serves you and take home the rest for later or for your dog. We are all brainwashed by our Moms to “clean your plate.” Well, it has taken me a long time to break that, but I am here to tell you that you DO NOT need to clean your plate with today’s large portions.
Take less. Eat slower.
Chewing your food is the beginning of digestion. Take the time to really enjoy the flavor of your food. Cook at home and if you eat out, take some home.
The Science
There have been hundreds of medical studies that have looked at glycemic index and glycemic load. Without going into all of them individually, I can tell you that some show no statistically significant correlation, but many are very unfavorable for high glycemic index foods. One thing is pretty much a certainty: a high glycemic index diet has been linked to increases in obesity, diabetes, heart disease, high cholesterol, cataracts, breast cancer, and colon cancer.
-Annals of Oncology recently cited an Italian study that questioned over 5,000 women and found a DIRECT LINK between breast cancer risk and consumption of high glycemic index foods.
-A study of almost 50,000 women in the International Journal of Cancer found increased risk only for POST-menopausal women, especially if they had been on conventional Hormone Replacement Therapy, but no correlation in premenopausal women.
-Multiple studies have found no correlation between GI and cancer or with GI and heart disease EXCEPT in the study participants who were overweight.
-Multiple studies have established a risk for type II diabetes and something called “metabolic syndrome” which is the precursor to diabetes. Diabetics also have an increased risk of heart disease and stroke, as well as infection.
The problem is twofold. When we eat a high glycemic diet, we promote inflammation and free radicals. We take in processed chemicals which wreak havoc on our cells. This leaves little room in your diet for good vegetables and foods that protect us against toxic chemicals which, unfortunately, are way too common in this industrial society. I will devote more time to toxins and the detoxification process in future newsletters.
Carbohydrates and Infection
It is difficult to find conclusive evidence, but intuitively, you can see that carbohydrates are the simplest form of energy for all living things. So, when you have an infection, especially a yeast infection, those organisms thrive on the carbohydrates. Bacteria, viruses, and yeast all take from our blood stream the simplest fuel. If you have a lot of sugar in your bloodstream, you supply those organisms with a ready source of energy. So, you must really use low GI foods when you have a cold, flu, bacterial or yeast infection. I can only assume that cancer would also feed on these simple sugars as well, although there is no direct study to show that.
Foods to avoid and foods to enjoy.
Soda
I am going to spend a little extra time on soda, because I believe soda is public enemy #1 when it comes to your healthspan. Soda has a high glycemic index. You get 8-10 teaspoons of sugar with each can. We are consuming incredible amounts of soda and it is a big part to the 60+ pounds of sugar the average American consumes in a year. Americans drink 56 gallons a year for every man, woman and child.
A study of 11 and 12 year olds in 2001 Lancet (a respected medical journal) showed that for every soft drink or sugar-sweetened beverage a child drinks per day, their obesity risk appears to jump 60%. Stop feeding it to your kids, and stop making it into a treat for them. Soda rots their teeth. It leads to all the diseases I have discussed, and it is addictive like a drug.
As I said in "Share The Health" Volume 1:1, Switch to water!
Diet soda is also bad. Aspartame is neurotoxic. If you have seizures, or migraines you may find significant relief if you stop using of diet drinks. The diet drinks have also been found to be an appetite stimulant. So, you drink diet soda and it makes you want to eat more.
Caffeine addiction runs rampant in soda drinkers. You need to have the caffeine otherwise you get tired, or shaky, or get headaches. I urge you to switch to green tea if you cannot stop drinking soda due to a need for caffeine. You will benefit from less sugar and the anti-oxidants in green tea.
The last problem is the carbonation. Carbonation is made by using phosphorous. Phosphorous is exchanged for calcium by your body. So, drinking lots of fizzy drinks, even soda water in large quantities, can contribute to osteoporosis through the loss of calcium.
Public enemy #2 is French Fries. They have all the starch and sugar of potatoes without the vitamins from the skin. They are deep fried using unhealthy fats. The oils are used over and over, which oxidizes the oils leading to unhealthy free radicals and potential carcinogens.
The nurses study showed a 14% increase for heart disease in the nurses who consumed the most potatoes, and a 23% increase for the nurses who consumed the most French fries! I recommend celery sticks instead of fries.
Corn is a controversial vegetable. It is a higher GI food. More worrisome is the fact that most corn is genetically modified. They do not need to label it as such, but the genetically modified corns have cross-pollinated many of the other varieties and it is contaminating corn, which is one of the most overproduced vegetables we grow. Corn may be the subject of a future “Share The Health.” I have begun to avoid corn and eat it very rarely but am looking forward to fueling my car with it!
Ingredients listed on any food are listed in order of percentage. i.e. the first one on the list has the highest amount in that food. Watch out for sugar in the first 5 ingredients of any food. Sugar, fructose, sucrose, or high fructose corn syrup in the first 5 ingredients are foods to avoid.
In order to provide a solution and not just point out the problem, I have listed several more foods to avoid. In some cases I have a good alternative. In some case you just need to eat the food very rarely.
Foods to avoid or substitute

Foods to increase in your diet and teach your children to enjoy:
Fresh Vegetables (except corn)
Salad greens
Cooked greens
Spinach
Mushrooms
Garlic
Spices of all kinds
Broccoli
Celery
Bran
Whole grains
Select fish
Olive oil
Shrimp
Sardines
Squash
Nuts
Vegetables, vegetables, vegetables
Here are some resources you can view to see more about glycemic index and other great foods:
Switch to Whole grain foods-
http://www.oznet.k-state.edu/humannutrition/mf2560.pdf
A good resource for diabetics, with a long list of foods and their glycemic index -
http://www.mendosa.com/gilists.htm
Resource for information about glycemic index of foods-
http://www.glycemicindex.com/
Click on GI database and you can search the glycemic index of your favorite foods.
Summary
By eating a diet with overall low glycemic index and increasing the amount of vegetables and fruits that you eat and give your children, you will feel better, look better and be healthier.
To recap what we’ve learned and give you the main points:
- Your diet is what you eat, not a weight loss program.
- Glycemic Index (GI) is a measure of how a food affects your blood sugar.
- High GI foods are like sugar, pasta, potatoes, cooked carrots, and white bread.
- GI over 70 is high. GI under 55 is low.
- High GI leads to increased insulin.
- Increased insulin leads to inflammation.
- Inflammation leads to several debilitating diseases.
- The Low GI Diet keeps down insulin and inflammation.
- Every Meal is a new opportunity to eat well.
- You MUST read the labels of what you eat.
- Soda and French fries are public enemy #1 and 2.
- There are healthy alternatives that are readily available.
YOU ARE WHAT YOU EAT
Hopefully you will take this to heart and continue down the road to a long and healthy life. This tip will be a bit more difficult than the last two, but I know you can do it! The next tip will be a little easier. You will see it in your inbox soon. Tip #4: Anti-oxidants, what you need to know.

