Health Watch: Mayo Clinic Makes Alzheimer's Discovery

 <span style="font-size: 12pt; line-height: 115%;">In Health Watch this morning, doctors at the Mayo Clinic have made a major discovery. (0:43)</span><br/><br/> <i><span style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;line-height:115%">WCCO This Morning – July 18, 2014</span></i>