The conditions of former president Chen Shui-bian’s (陳水扁) confinement in prison are “unacceptable” and have affected his physical as well as mental health, US-based medical experts said yesterday.

Joseph Lin, Ken Yoneda and Charles Whitcomb, professors at the University of California at Davis, told the Taipei Times that Chen’s health and the conditions of his confinement were “disturbing” and an issue of human rights and humanitarianism.