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November 28, 2005

Cranberry Juice For Cavities? Be Careful Of What You’re Buying.

Researchers at the University of Rochester have published information showing that the cranberry may be effective at preventing tooth decay. The research focuses on the inhibiting effect of some compounds found inside the cranberry against a key bacterium blamed in the formation of cavities.

“Scientists believe that one of the main ways that cranberries prevent urinary tract infections is by inhibiting the adherence of pathogens on the surface of the bladder. Perhaps the same is true in the mouth, where bacteria use adhesion molecules to hold onto teeth,” says Dr. Michel Koo, an oral biologist and food scientist at the university’s medical center.

While this may sound like good news for those who are looking for natural ways to support their body, it’s very important to understand what’s in cranberry juice before making a purchase. Always remember to read the labels. Most cranberry juice is cranberry flavored apple juice. Sometimes it is also mixed with grape juice. Other ingredients may even include high-Fructose corn syrup. Towards the end of the ingredient list is found cranberry concentrate.

While, drinking apple juice and grape juice is probably a dietary improvement for most people, juices that are made with so much processed sugar are clearly little more than cranberry flavored juices. They’re unlikely to contain significant amounts of the compounds that make cranberries useful in the prevention of tooth decay and tend to contain large amounts of the compounds that are blamed on tooth decay.

Purer forms of cranberry juice have a very strong flavor. Some people can develop a taste for unsweetened cranberries, while other people can only handle cranberries when blended with some other juice. If choosing a cranberry blend, be sure to read the ingredient label and avoid juices that are sweetened with processed sugars and diluted with juices that are mostly the sugars that lead to cavities.

Further research will be necessary before cranberries can actually be promoted as a preventative for tooth decay. However others sugars such as Xylose, are already used in “sugarless gums” because of their proven ability to inhibit bacterial development on the surface of teeth. Such gums are of course called sugarless because they do not have sucrose and glucose which are the sugars associated with cavities.

Cranberries have also been shown to have beneficial effects for people with chronic urinary tract infections. The compound believed to be responsible for this is a simple monosaccharide sugar called Mannose. Identified in Harpers Biochemistry as one of eight sugars necessary for normal cellular function, Mannose has also been shown to prevent bacterial infection and development.

These necessary monosaccharide sugars can all be found in a single dietary supplement. It also contains the other sugars identified in Harpers Biochemistry, based of their importance in biological functions. This can provide a more convenient choice for people wishing to improve their diets by increasing their nutrient intake while limiting the intake of food compounds which are not beneficial to good health.

About the Author: Dave Saunders is a certified nutrition and health educator and the host of a weekly telephone presentation on nutrition. Receive free nutrition tips by registering for his newsletter and announcements list at http://www.glycoboy.com.

 

October 23, 2005

Sniffing out smell disorders

The smell of coffee ? frequently celebrated as one of life’s most pleasurable experiences, even by people who don’t like the taste ? nauseates American Kathy Kurland.

“Coffee is the worst smell. I can’t even describe it,” she said.

Other smells, such as freshly made popcorn, used to make her physically ill. Now, thanks to medication, she can tolerate it.

Kurland has a range of olfactory disorders that block some smells, turn innocuous or pleasant smells offensive and produce phantom smells that can last for days.

Kurland said a chemical caused the condition. It started about three years ago and progressively worsened. “I thought I was going to have to live in Alaska by myself, where there were no smells,” she said.

Her condition is not imagined or psychological. It is real. It has a name and a growing cadre of doctors and researchers are devoted to it.

There are support groups to help people like Kurland ? those who have lost their ability to smell, a condition known as anosmia, those whose sense of smell is distorted, called parosmia, and those who smell things that are not there, phantosmia.

Kurland’s research led her to one doctor who prescribed a medicine that made the condition manageable, but it has not eliminated it.

When organisms first swam in the primordial sea, the ability to smell chemicals is what kept them alive. Smell is the first bond between baby and mother. A scent can transport us to a place or time, draw us in or warn us of danger. Yet of the five senses, smell is the least studied and least understood.

Many things lead to smell loss or dysfunction ? chronic sinus disease, chemotherapy, chemicals, medications and head injuries. But researchers are not sure precisely what causes the condition because of the unique function and location of the olfactory nerve cells that transmit information to the brain.

Losing the ability to smell could have far-reaching implications that are just beginning to be explored. The most obvious consequence is the effect on the ability to taste.

Although it is a separate sense, taste is irrevocably linked to smell. About 90 per cent of taste comes from smell.

Smelling disorder recovery rates are not high, but recovery can occur, sometimes years later. The improvement can be gradual or sudden.

 
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