There is no way to know for certain. The cause of many cancers are still unknown, although theories abound. We know that cigarette smoking causes lung cancer, but in many cases we cannot point to a single cause. Mr. Ebert's cancer originated in his thyroid gland and he was a strict non-smoker, so we know that it was not tobacco use that caused his unfortunate condition.
John Eberts's birth name is John A. Eberts.
Jake Eberts was born in 1941.
Eberts Field - Airport - was created in 1917.
David McEwen Eberts died in 1924.
David McEwen Eberts was born in 1856.
Roger Bennett died of lucimia (blood cancer). He was also ogerized a little before that, which raises some suspicions about the true cause of his death.
John Eberts was born on October 9, 1888, in Nogales, Arizona, USA.
Roger Ebert listed Crash at #1 in his list of the ten best films of 2005 (http://www.rogerebert.com/rogers-journal/eberts-best-10-movies-of-2005).
John Eberts died on April 14, 1956, in Los Angeles, California, USA.
Film critic Roger Ebert was diagnosed with thyroid cancer in 2002 .
Roger Ghys has written: 'Le cancer' -- subject(s): Cancer
Alex Hamilton Eberts was born on July 7, 1973, in London, England, UK.