The epilepsy and migraine drug Topamax appears to increase the risk for oral birth defects in women taking the medication, a new study has found. The U.S. Food and Drug Administration says data shows that women taking Topamax are 20 times more likely to have infants that develop cleft lips or cleft palate deformities than those who are not taking the drug. Officials say doctors need to warn patients of childbearing age, because the defects occur in the first three months of pregnancy, before...