Her family kept getting cancer. At 33, a saliva test explained why.

Michelle York, 43, discovered she had Lynch syndrome after a saliva test at age 33, following a family history of multiple cancers on her mother's side. Lynch syndrome is an underdiagnosed, symptomless inherited genetic mutation that increases the risk of various cancers, including colorectal, uterine, stomach, ovarian, and pancreatic. York and other family members who tested positive now undergo more frequent cancer screenings.

Read More