Colon cancer started wiping out my family… then a little-known test revealed EXACTLY how likely I am to get it too. There are millions like me – but most don’t know it. Here’s what to ask a doctor

When Tiffany Graham Charkosky lost her mother to colon cancer 30 years ago, her family thought it was a terrible case of bad luck.

Tiffany was just 11 years old at the time, and her mother was only days away from her 31st birthday. 

But about 15…