late November, he returned to Havana for hyperbaric oxygen therapy (HBOT). It enhances natural healing. It involves breathing 100% oxygen under increased atmospheric pressure. Its used to prevent bone decay from radiation therapy.
It treats many injuries, ailments, and illnesses. Its not for cancer. Chavez also received physiotherapy
Unable to secure a visa to come to the United States Valero had accused the U.S. government of holding it back because he was aligned with Venezuela's leftist President Hugo Chavez, a major U.S. critic