Doctors are encouraging people to have Thanksgiving dinner with a side conversation about early cancer screenings this year.

Francine Jackel makes health a normal part of her family's Thanksgiving conversation and wants other to do the same.

Physicians say a major misconception is, if cancer doesn't run in the family, there is nothing to fear. But that is not true. Dr. Yael Zack says most patients' cancer comes sporadically.

Warning signs of cancer vary from weight and blood loss, fatigue - even skin and digestive changes.