The American Cancer Society has issued new guidelines for women at "average risk" of developing breast cancer, raising the age it says they should start regular mammogram screening from 40 to 45. We discuss the changes and how women should go about determining their own levels of risk with Dr. Carolyn Bruzdzinski and Dr. Kent Hoskins.

A major federal report was released Monday giving options for dealing with Asian carp, ranging from maintaining status quo to installing a permanent barrier to separate the Great Lakes from the Mississippi River Basin. Elizabeth Brackett has the story. Read the full report.

New guidelines were released Tuesday that will alter how doctors treat patients at risk for stroke and heart disease.