8-year-old boy had more than 300 medical appointments and 13 operations before a doctor reported suspicions
While fewer U.S. teens are lighting up cigarettes, more are turning to another habit instead
A recent study finds that as we age, brain waves become unsynchronized and memory retention suffers
See where your state ranks on the list of the healthiest – and least healthy – states in the nation
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.
Earlier in the day, McCain's daughter, Meghan, tearfully interviewed former Vice President Joe Biden, whose son Beau died from the same cancer, glioblastoma
A new type of ultrasound scan is being tested to see if it's as effective as mammograms in detecting breast cancer, especially in women with dense breast tissue. CBS News' Danielle Nottingham reports.