Study: Flu shot helps lower risk of heart attack and stroke

CBS News contributor Dr. David Agus, director of the Westside Cancer Center at the University of Southern California, talks to the "CBS This Morning" co-hosts about why the cost for a genetic test for breast cancer is so high.

CBS News' Ben Tracy reports on an inventor whose idea for an artificial limb design was borne out of his own experience losing his lower leg in a sporting accident.

Despite new government labels on sunscreen due out this summer, one watchdog group says high SPF ratings can give people a false sense of security. Norah O'Donnell reports.

Dr. Allen Frances, co-author of the previous version of the "Diagnostic and Strategic Manual of Mental Disorders" -- known as "the psychiatrist's bible" -- discusses new, controversial changes to the text. Frances is the author of a new book called "Saving Normal."

Dr. Elisa Port, of New York's Mount Sinai Hospital, talks to the "CBS This Morning" co-hosts about Angelina Jolie and what you should know about mastectomies and BRCA gene testing.

CBS News medical contributor Dr. Holly Phillips explains the process and pros and cons of genetic testing for women concerned about their risk of developing breast or ovarian cancer.