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Osteoporosis Message Board


Osteoporosis Board Index


I think much of this information is not based on scientific evidence or studies, but just repeated information. I did several searches and any medical studies I could find on the issue suggested that carbonation in soft drinks did not impact bone desity. What is a problem is that people tend to drink soda instead of a calcium rich drink such as milk--thus depriving themselves of a much needed calcium supply.

I looked at many articles and studies, but I thought the following best summed up the information.

"Q: I recently read an article that advised: "Avoid soft drinks; their phosphoric acid may promote calcium loss." Is this true? I do have osteoporosis and take calcium as well as Miacalcin. However, I also usually drink a glass of diet cola every day. According to the bottle, it contains aspartame (whatever that is) and it reads, "Phenylketonurics, contains Phenylalanine." Do you consider soft drinks containing the above chemicals to be harmful and to cause calcium loss?

A: I also have heard several times that carbonated drinks are not good for your bone because of the phosphorus. Two different reasons have been given: 1) phosphorus binds to the calcium in your stomach and prevents absorption of the calcium into your blood, and 2) high phosphorus in your blood draws calcium out of your bones. When I searched recent medical articles and textbooks (for hours!), I could find nothing supporting this.

Caffeine does decrease bone mass and increase risk of hip fracture. In a study of 9,615 women over age 65, those who drank 190 mg a day of caffeine had a 20% to 30% increased risk of hip fracture. Sodas have about 40 mg of caffeine per can and brewed coffee about 100 mg per cup.

Aspartame (Nutrasweet) is a sugar substitute that contains phenylalanine. It has no harmful effect on bones.


Article Created: 2000-05-30
Article Updated: 2000-06-05

Dr. Rebekah Wang-Cheng is a former Professor of Medicine at the Medical College of Wisconsin. Her medical advice column, which answers health-related questions from readers, also appeared in the Milwaukee Journal-Sentinel. "

2003 Medical College of Wisconsin

The bigger culprit here appears to be caffine which means that items such as caffinated coffee, tea, and food items such as chocolate should also be cause for concern.

I just think it is important that we look for facts, not just accept something we have heard somewhere as a basis for the actions we take in determing how we treat our osteoporosis.

Take Care,

Minshe






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