On this week's show Maria Erdman explains how a registered dietitian nutritionist who specializes in oncology can help cancer patients as they go through treatment. Appetite, eating habits and weight are all potentially affected by cancer treatment.
"Some people sail right through, but for many people it's very challenging," Erdman says.
Also this week: searching for ways to replace cells that are lost during retinal degeneration and the history of Attention Deficit Hyperactivity Disorder (ADHD).
