![man in hospital bed, holding someone's hand](https://blog.uvahealth.com/wp-content/uploads/2017/03/blood-cancer-475x330-350x243.jpg)
[caption id="attachment_16139" align="alignright" width="350"] Most blood cancers happen in people 60 or older.[/caption] There’s a lot more to your blood than meets the eye, especially if you’re over 50. Blood (hematologic) cancer is a broad term used to describe cancers of the blood. Blood contains red blood cells that carry…