Study: Some Raisins Rot Your Teeth, Others Don't

Photo: Chandra Menard / Istock

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Think eating bran with raisins is a healthy alternative to syrupy processed cereals? You're right, but only if you keep the sugar out.

A recent study found that commercially marketed raisin brans made with added sugar contributed to cavities in children. Sugar-coated raisins significantly raised the level of acidity in kid's mouths, but plain raisins did not. Acid levels matter because acid bonds bacteria to teeth, and help cause plaque.

Plain raisins have no negative impact on dental health, though; raisins easily clear off of teeth.

So if you want your flakes with raisins, stick to a cereal with no added sugar.

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