Engineered botulism toxins could have broader role in medicine

Wednesday, November 30, 2011 - 14:30 in Health & Medicine

The most poisonous substance on Earth -- already used medically in small doses to treat certain nerve disorders and facial wrinkles -- could be re-engineered for an expanded role in helping millions of people with rheumatoid arthritis, asthma, psoriasis and other diseases, scientists are reporting.

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