Elizabeth Cohen is CNN’s medical reporter. She has been following the Senate hearings on mad cow disease (bovine spongiform encephalopathy – BSE) and the safety of America’s food supply.

After graduating from Rensselaer Polytechnic Institute in 2008, Dr. Cohen worked as a postdoctoral research associate funded by the Cure Huntington’s Disease Initiative, developing new multi-target ...

"Our findings offer a promising path toward understanding how protein modifications can protect against age-related diseases and promote longer, healthier lives," said Prof. Cohen. "By pinpointing ...