Like "From the Wall Street Journal: "Of the four studies published, the one that first prompted concern was conducted on 127,000 insulin-treated patients from a German insurance database. Researchers found that one additional person out of every 100 who used Lantus for an average of 1 1/2 years compared with human insulin was found to have cancer compared with those using human insulin. The higher the dose of Lantus used, the greater the risk of cancer, they said." "But results from three other studies, conducted in Sweden, Scotland and the U.K., were mixed. One also found a positive link while the other two showed no statistically significant link." It looks as if there's enough of a concern to look further. But it certainly isn't anywhere near the risk that the numbers you reported would indicate. "