According to a recent research, drinking cola can lead to brittle bones in women. Regardless of the sugar content, the more of the carbonated drink women consumed, the weaker// were their bones.

Hence, women concerned with development of osteoporosis are advised not to drink too much of cola. The phosphoric acid, present in cola and not in several other fizzy drinks, is assumed to be responsible for the problem.

The study was published in the American Journal of Clinical Nutrition. It was conducted on over 2,500 men and women of the age nearly 60 in Boston.

On an average, women consumed at least 4 cola drinks a week and men 5 servings labeled as a glass or a can. To evaluate the risk of osteoporosis, the researchers measured bone density of each person in the hip and spine.

According to the results, in men, there was no significant effect. However, in women, excessive cola consumption had resulted in lower bone mineral density in the hips, without taking into consideration their age, total calcium intake or use of cigarettes and alcohol. 5% lower bone mineral density was observed in women who drank cola every day than those who drank it rarely. The effects were the same for both full-sugar and diet forms of cola.

The specific ingredient in cola responsible for this problem has not been identified in this study, however, the researchers assume that phosphoric acid in cola may cause calcium to be excreted from the body.

A full-sugar cola can has 44-62 mg of phosphoric acid per 12 ounce serving whereas a diet cola has 27-39 mg.

Lead researcher Dr Katherine Tucker of Tufts University in Boston said: "The more cola that women drank the lower their bone mineral density was.

"However we did not see an association with bone mineral density loss for women who drank carbonated beverages that were not cola."

Dr Tucker said, "Some other studies have suggested cola could be linked to bone d
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