Even as he was enjoying his 20th month of remission from Hodgkin's lymphoma, Ethan Zohn worried about a relapse.
"My father ran the New York City marathon when I was a kid," says the cancer survivor
The Survivor winner and Bachelorette star have decided to compete against each other - for charity
The former Survivor contestant says he's "happy to wake up in the morning" with girlfriend Jenna Morasca
The Survivor winner and cancer survivor joins with the show to help raise funds for research
The Survivor couple take PEOPLE TV on safari to check out the rescued animals at the Shamwari Game Reserve
The couple head to South Africa to take part in (RED) and Grassroots Soccer Skills Camp to educate kids about HIV/AIDS
The winner of Survivor: Africa gets a clear CT scan one year after his Hodgkin's treatments began
"I feel that they were fueling each other's fire," says Zohn's girlfriend Jenna Morasca
The Survivor champ unveils a new PSA to support cancer research
Finally appearing cancer-free, the Survivor champ still will remain in isolation after a stem-cell transplant
The reality star breaks the news to his mother in a tearful phone call
The reality-show winner clears a major hurdle in his fight against Hodgkin's disease
The Survivor winner, battling cancer, takes a camera along to his PEOPLE photo shoot
From his hospital bed, the Survivor winner shares the latest in his cancer battle
The Survivor winner says he's going "a little stir crazy" in the hospital
Launching the fight against his resurgent cancer, he asks for "prayers and well-wishes"
Before starting a second round of treatment for Hodgkin's, Zohn heads to Fenway Park
"Shocked and speechless," the Survivor winner says of his latest diagnosis
"I have never been so scared in my life, for my life," says the Survivor winner
The Survivor winner, battling cancer, will soon find out whether his chemotherapy is working
The Survivor winner, who is battling cancer, is hopeful as he wraps up three months of treatment
As he continues to fight cancer, the Survivor winner trains for a possible run this fall
The Survivor winner battles cancer - and the high cost of chemo
The Survivor winner, battling cancer, finds the positive side of chemo-induced insomnia in his latest video diary
The patient shares a laugh while getting an injection from his girlfriend
In his latest video diary, the Survivor winner, shares the good news about his battle against cancer
Two months into his fight against Hodgkin's disease, the Survivor star goes to find out how he's responding to chemo
The Survivor: Africa winner takes viewers into the hospital for his fourth session
In two new video diaries, the Survivor star shares the ups and downs of his battle with cancer
The Survivor winner shares his fight against Hodgkin's disease
Battling a rare form of cancer, the reality star loses the last of his famous mop top after a second round of chemo
Battling cancer, he tries out a new 'do before losing his hair to chemo
The mop-haired winner of Survivor: Africa is being treated for a rare form of Hodgkin's disease