Recent research led by the University of Alberta challenges the belief that mad cow disease is caused only by misfolded ...

Just what are prions? You've probably heard they are the infectious agents that transmit mad cow disease among cattle and from cattle to people. You may have also noted the frightening description of ...

Rather than being genetic or acquired, Johnston's CJD developed when normal prions in her brain spontaneously began ...

UCSF scientists are reporting what they say is compelling evidence that the infectious agent known as prion is composed solely of protein. Their findings promise to create new tools for early ...

We have long struggled to determine how the first living organisms on Earth came together. Now, surprising evidence hints ...

(NEXSTAR) — Deer hunting season is upon us across the Midwest, prompting a reminder from wildlife officials: Be on the lookout for chronic wasting disease, or CWD. CWD is a contagious, fatal, ...