Avandia, the diabetes drug manufactured by Glaxo Smith Kline, has been found to increase heart attack risk by 43% and death by 64%. The study which will be published in June in the New England Journal of Medicine. Since the Food and Drug Administration approved Avandia in 1999 doctors have written tens of millions of prescriptions for the drug. The drug study was deemed important enough by the Journal that it was posted to its website prior to the June publication. Glaxo Smith Kline spokesmen have disagreed with the study’s findings.