DNA-Based Diabetes Vaccine Could Potentially Aid Millions

Researchers are conducting trials of a vaccine that could help millions of people suffering from Type 1 diabetes, the most severe form. The so-called "reverse" vaccine works in the opposite way of most -- instead of boosting immune responses, it shuts down part of the system that destroys insulin-creating pancreatic cells. Future trials could lead to widespread use, though it'll probably take years.

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