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"Mad-cow disease" has made worldwide headlines in recent months, as more than a dozen countries have reported cases of this brain-wasting disease in cattle, which has been linked to a fatal disease in people. No cases of mad-cow disease or its human variant have been reported in the U.S. or Canada. But the news abroad raises a question: Are our safeguards sufficient to prevent similar problems?
The short answer is that U.S. meat seems safe. However, Consumers Union believes the federal government should take added steps to end practices that could undermine the safety of meat. Our Consumer Policy Institute has been fighting for such changes for years.
Mad-cow disease is one of several similar fatal brain diseases known as transmissible spongiform encephalopathies, or TSEs. The name is based on their main effect: The infected brain eventually becomes riddled with spongelike holes. In people, the disease is called Creutzfeldt-Jakob disease, or CJD; in cows, it's called mad-cow disease; in sheep, it's scrapie; and in deer and elk, chronic wasting disease. All are believed to be caused by a mutant protein that can apparently induce normal proteins to mimic its shape. Evidence suggests that the disease can jump from species to species when a diseased animal is eaten.
To date, 91 people in three European countries have contracted a strain of CJD that is presumed to have come from eating infected beef. At least 80 people in Britain and 2 in France have died. It is not yet known whether eating meat from infected sheep, deer, or elk has caused anyone to contract CJD.
In the wake of the outbreaks abroad, U.S. officials have already taken some action. Since 1989, the U.S. Department of Agriculture (USDA) has banned imports of live cattle and sheep from countries where mad-cow disease has been reported. In 1997, the Food and Drug Administration banned the feeding of ...