<div>A new medical study raises some questions about just how effective colonoscopies are at preventing deaths from colon cancer. CBS News chief medical correspondent Dr. Jon LaPook breaks down the new study and what it means for patients.</div>
<div>Lucy Letby has been charged with murder in the deaths of five baby boys and two girls, and the attempted murder of five boys and five girls.</div>
<div>A new study raises some questions about how much colonoscopy screening reduces deaths from colon cancer. CBS News chief medical correspondent Dr. Jon LaPook is a gastroenterologist and explains why the evidence can be confusing to patients.</div>
<div>A new medical study questions the effectiveness of colonoscopies in preventing cancer deaths. CBS News' chief medical correspondent Dr. Jon LaPook explains the study's findings.</div>
<div>A new poll shows that only 49% of adults in the U.S. plan to get a flu vaccine. CBS News medical contributor Dr. Celine Gounder joins "CBS Mornings" to explain who is most at risk for getting the flu and why now is the time to get the flu vaccine.</div>
<div>Leaders don't want a major outbreak to cast a pall over the once-in-5-years party gathering in Beijing, but their strict "zero-COVID" approach has taken a toll.</div>