Every day, many Canadians suffer silently with chronic conditions that are invisible to those around them.

How they look on the outside doesn't reflect the pain, anxiety, fear and loneliness that might be going on inside. But still, they push on.

On this Now or Never, meet people who refuse to be defined by their chronic condition.

Lace up your hiking boots with a woman hiking the world's most dangerous and remote trails, even though she lives with a blood clot that could kill her at any moment.

Meet identical twin sisters whose close relationship is put to the test, after one is diagnosed with lupus.

And an aspiring sports journalist with a stutter works up the courage to ask his hero a question at the Hockey Hall of Fame.