Research Shows that Soda is Bad to the Bone (Your Bones, that is)

There’s research that links drinking certain types of soda with weaker bones… This study, reported in 2006 by researchers at Tufts University in Boston, suggests that colas, specifically, might be problematic. Among the 1,413 women whose dietary records and bone-density scans they reviewed, those who drank a diet or regular cola at least three times a week over five years had significantly lower bone densities than those who sipped cola once a month or less. No such effect occurred with other carbonated drinks, even after researchers factored in intake of calcium from foods.

The likely cause? Phosphoric acid, which is unique to colas, says Katherine Tucker, Ph.D., lead author of the study. When the body breaks down this compound, the acidity (or concentration of free hydrogen ions) of the blood increases. To neutralize acidity, hydrogen ions bind with minerals, including calcium and magnesium. If they’re not available in the blood, says Tucker, “the body draws calcium from bones.” The occasional-cola drinker probably needn’t worry. “The real risk is for those who drink cola every day,” says Tucker.

Source: Michelle Edelbaum/Joyce Hendley - EatingWell Magazine

Your Action steps: Drink water (neutral pH) or fresh pressed fruit juice (slightly alkaline) instead.