Teen cancer patient worked out every day to become a bodybuilder

Zach Zeiler, from Ida, Michigan, was diagnosed with Hodgkin's Lymphoma in 2010 at the age of 15 - which saw his weight plummet to just 100lbs.

But as his photos show, Zach went on to beat cancer and now weighs nearly 175lbs.

His impressive physique is the result of working out for two hours each and every day - which he began during treatment. 

Zach, now 20, said: 'I started lifting after my radiation treatments because I knew it would help me gain weight and look less sickly.

'It was a great way to channel a lot of the anger I felt - and I got addicted to it, it became my passion.'

But now, he's a social media star with a YouTube account that has amassed more than 11 million views and he has over 68,000 fans on Facebook.  

Zach was diagnosed with stage 1B Hodgkin's Lymphoma, which is fatal if detected in the later stages.

His 1B stage diagnosis meant that he showed alternative symptoms, such as night sweats, that indicated the disease was advancing. 

Doctors immediately put him into aggressive chemo and radiation therapies.

Zach's diagnosis came as a shock to his family - who knew him as an athletic and healthy teenager. 

Zach's girlfriend, Tara Hurley, 21, was also distraught upon hearing about his illness - but stood by him throughout his treatment.

Zach added: 'I asked Tara out two months before my diagnosis - I snuck over to her house on Christmas Day and wrote out "will you go out with me" in Lincoln Logs.

'We have been together for almost five years now - and she's been by my side through everything.' 

Now, Zach posts videos on his YouTube channel in the hope of inspiring others. 

‘I don't plan on stopping any time soon - I would really like to continue to inspire as many people as possible to follow through with their goals.’

Now, he's a social media star with a YouTube account that has amassed more than 11 million views and he has over 68,000 fans on Facebook.

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