Cancer Facts

Dogs can be trained to identify the scent of lung cancer long before symptoms develop.

Cigarette smoke contains over 7,000 chemicals, at least 70 of which are known to cause cancer.

There are more than 1,000 chemicals in a cup of coffee. Of these, only 26 have been tested, and half caused cancer in rats.

Medical research has found substances in mistletoe that can slow down tumor growth.

There is a genetic disease called Laron syndrome that results in short stature, longer life expectancy, and near immunity to cancer and diabetes - amongst other things.

Keanu Reeves quietly donated millions to children's hospitals and cancer research throughout his career, rarely publicizing his contributions. He also devoted years to supporting his sister Kim during her decade-long battle with leukemia, which she overcame in the early 2000s.

At 15 years old, Jack Andraka won the top prize at the 2012 Intel International Science and Engineering Fair for developing a concept for an early pancreatic cancer detection test using carbon nanotubes. His preliminary results suggested the sensor could potentially be faster and cheaper than existing methods, though the test has never been validated in clinical trials or brought to market.

After an 11 year study, cell phones were shown not to increase chances of getting cancer.