Brazil’s jailed former president Jair Bolsonaro was recently reported to have undergone three medical treatments to stop a ...

Xiaocen Zhang, MD, is double-board certified in gastroenterology and internal medicine. She is a gastroenterologist at the Tufts Medical Center and an assistant professor at the Tufts University ...

Former Brazilian president underwent a phrenic nerve block while temporarily released from prison for surgery Jair Bolsonaro underwent a second “phrenic nerve block procedure” on Monday to treat ...