Researchers in Canada found that seniors taking medications like Xanax and Valium to help them sleep had up to a 51 percent higher risk for Alzheimer’s disease. Dr. Holly Phillips joins the “CBS This Morning” co-hosts to discuss the research. Source

The annual “Fashion Rocks” concert came to Brooklyn Tuesday night with performances by Usher, KISS, and Jennifer Lopez. Plus, Britney Spears introduced a new intimates line. Suzanne Marques reports on the day’s top entertainment news. Source

A study in Australia found that teens who smoke marijuana daily are 60 percent less likely to finish school. Plus, a possible link between anxiety and sleep medications with Alzheimer’s. Alison Harmelin reports on the day’s top health news. Source

After months of anticipation, Apple finally unveiled its iPhone 6, iPhone 6 Plus, Apple Watch, and Apple Pay on Tuesday. Did they live up to the hype? CNET’s Tim Stevens shares his first impressions. Source

A suspicious package investigation later shut down the commercial area. Source

According to the CDC, 20 people are victims of violence by a partner or spouse every minute. Of those 10 million victims per year, 85 percent are women. One woman shares her story. Elaine Quijano reports. Source

On Tuesday, Apple unveiled a first for its company: the Apple Watch. While other smartwatches have failed, Apple plans to clock in on the market with its stylish tech. Source

Masrour Barzani, head of Kurdish intelligence in Iraq, called on the United States to provide Kurdish peshmerga fighters with heavy armaments in their fight against ISIS. Scott Pelley reports. Source

The United States reached the grim milestone in December. Source

The Oscar-winning actor, writer, director, producer of such comedy classics as “Blazing Saddles” and “Young Frankenstein” came to his Chinese Theatre handprint ceremony with a little something extra — a prosthetic sixth finger on his left hand. Source