1. Dr. FRED BUCKHOLD, SLU Care General Internist at SSM Health Saint Louis University Hospital, and a professor of medicine at St. Louis University School of Medicine.  What's the best way to take a pill?  A new study provides some answers.  Do anti-depressant meds for chronic pain do more harm than good?

2. Dr. SUZANNE SCHINDLER, associate professor of neurology at Washington University School of Medicine.   She was the lead author of a new study that tested the accuracy of diagnostic blood tests for Alzheimer's disease. The study found in a head-to-head comparison of 6 tests which ones could replace spinal taps and brain scans.

3. SARAH LOVERGREEN, VP of Programs for the Alzheimer's Association of Greater St. Louis.  She has the details of a new study that found more evidence linking ultra-processed foods to dementia.  She talked with KMOX's DEBBIE MONTERREY.

4. CBS News Chief Medical Correspondent Dr. JOHN LaPOOK -- on a new FDA approved blood test to detect colon cancer in average risk adults 45 and older; CBS News Medical Contributor Dr. CELINE GOUNDER -- on a new study that finds 60 percent of people don't know there are screening tests for lung cancer; CNN Chief Medical Correspondent Dr. SANJAY GUPTA -- on the summer COVID spike; CBS Medical Contributor Dr. CELINE GOUNDER -- on an increase being seen in human cases of the West Nile virus -- what do we need to know.