Endorphins are chemicals produced naturally by the nervous system to cope with pain or stress. They are often called “feel-good” chemicals because they can act as a pain reliever and happiness booster.
In 2008, Gunderson stated that he had tested positive for arsenic and cyanide poisoning.[15] Dr. Edward Lucidi, a medical doctor treating Gunderson, stated that Gunderson’s fingers were turning black, a characteristic symptom of arsenic poisoning.[16] Dr. Lucidi, along with published medical journals, also states that a common effect of arsenic poisoning is bladder cancer.[16][17] On July 31, 2011 Gunderson’s son reported that his father had died from bladder cancer.[18]
