Overeating to forget, patient satisfaction pitfalls, nano ears: HealthPop video

HealthPop: Over-eating doubles your chances of memory loss; Also, patients who are "satisfied" with their doctors are more likely to die; And, physicists in Germany develop the first "nano ear" that could make it possible to listen to bacteria, enzymes and cancer cells.

On this week's HealthPop video:

  • Overeating can lead to obesity and other health problems, but can it mess with your mind?
  • A new study that asked patients how satisfied they were with their doctors found that satisfaction might actually be a bad thing. How?
  • Just like an auto mechanic can listen to a car to figure out what's wrong, see how doctors are trying to listen to patients' bodies with the help of a "nano ear."

Find out the latest from CBSNews.com's Nick Dietz in the new HealthPop video.