Research reveals that as we age, brain waves become unsynchronized. Because of that, the brain fails to keep new memories while we sleep. The study also points to a new treatment for boosting brain power among the elderly. Matthew Walker, who co-authored the study and released a new book called "Why We Sleep: Unlocking The Power of Sleep and Dreams," joins "CBS This Morning" to discuss the findings.
A drinking problem is not necessarily the end of a pilot's career. In fact, for decades the FAA has been quietly sending pilots diagnosed as substance abusers back to work. It's called the Human Intervention Motivation Study (or HIMS). And, before you panic, consider this: it's one of the most successful rehab programs ever, and is drawing interest for dealing with substance abuse in other industries as well. Tony Dokoupil reports.