Monday, July 21, 2008
Milk does the body...what?
We have all grown up believing that a healthy diet must contain milk and other dairy products to get the calcium we need. Not true! (click here for other calcium rich foods).
I must admit one of my most favorite all time foods is the wondrous and extremely varied world of cheese, but for many individuals dairy can cause all kinds of problems. As adults the majority of people are lactose intolerant. In other words many people do not produce the enzyme "lactase" needed to breakdown the lactose sugar found in milk. Some of us stop producing this enzyme as we age. This lack of the ability to breakdown lactose can cause all sorts of digestive troubles -- gas, bloating and diarrhea. Certain groups of people may be more genetically prone to these problems. Lactose intolerance is quite common in many parts of Asia. When was the last time you had a cheese sauce in a Chinese restaurant?
For others problems with dairy may be more insidious and go for years unnoticed or at least without making the connection to their health conditions. They may be plagued with vague symptoms like fatigue, pain or headaches sometimes days after consuming an offending food. This is the case of food sensitivities or commonly known as food allergies. These subtle allergies to foods can develop from any food we commonly consume. Dairy is a common culprit because it is consumed frequently and is often given to babies when they are more susceptible to developing food sensitivities. There are other individuals with dairy related issues, for example people with autism are much improved on dairy free diets. Milk proteins are also thought to contribute to the production of thicker mucus -- individuals suffering from allergies and chronic sinus issues as well as those with cystic fibrosis may find some relief from going dairy free.
Now I believe in balance and I am a strong advocate of individual differences. For many individuals, dairy may be a fine food and cause them no problems. Peoples from India and parts of Europe have included dairy in their traditional diets for hundreds maybe thousands of years. Foods such as kefir and yogurt can be powerful and healthy foods for certain conditions (Plus did I mention I love cheese).
The biggest problem with dairy today may be the widespread used of recombinant bovine growth hormone (rBST and rBGH). This hormone is used in the dairy industry to increase the production of milk from dairy cows and may pose a health risk to those who consume that milk. It is illegal in many countries but is used widespread here in the USA. The research related to possible dangers this hormone may pose have been ignored and probably suppressed. I suggest to all of my patients, family and friends that if they do eat dairy products, eat organic or at least products free of these hormones. Check out this two part video about the dangers and politics revolving around these issue. I think you will find it quite enlightening.
Part 1
Part 2
Dairy products may have a place in some individual's diets. If you choose to include it as part of your diet, just make certain you are buying and consuming your dairy from good quality sources and free of rBST (rBGH).
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2 comments:
Hi Dr. Mark, We had guests this last weekend who are in their late 50's. They take Metamucil every night before they go to bed. They don't look at it as a laxative, but as insurance against colon cancer. They are both physically fit and health conscious.
What do you think of that practice?
Aunt Nancy
Fiber is great for the digestive tract. The average modern diet is lacking in it. It assists in moving the contents of the GI tract along and soluble fiber can bind some substances and help draw them out safely and quickly. Studies have shown soluble fiber can help lower cholesterol by binding bile and forcing the liver to use up cholesterol from the blood to produce more. Both soluble and insoluble fiber can increase bowel transit time, moving potential toxins through more rapidly. Fiber can also slow the release of carbohydrates into the blood stream - helping in balancing blood sugar.
I do not endorse any specific brand and often suggest for my patients to use fresh ground flax seed. Many common grocery store brands are full of sugar and artificial colorings. They often contain psyllium which is fine for most people, but can cause gas and bloating in some. If wanting a pre-made combination product, I would check out the great variety of such products from a local health food store.
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