Secretary of State John Kerry left for Europe Wed. to discuss peace talks in Syria as Secretary of Defense Ash Carter addressed the growing fight against ISIS. CBS Correspondents David Martin and Elizabeth Palmer report with more. Source

It’s the fifth leading cause of death in the U.S., and stroke doesn’t only happen to older people. Doctors say everyone should know the warning signs. CBS News’ Marlie Hall reports. Source

Spotify declared Diplo’s “Lean On” the “global song of the summer.” The track has spent 29 weeks on the Billboard Hot 100, and the powerhouse producer and DJ shows no signs of slowing down. He recently released a new song, “Be Right There.” Wesley “Diplo” Pentz joins “CBS This Morning” to discuss his music and career. Source

Book series “Dork Diaries” is on the New York Times and USA Today Best Seller lists. The series just sold its 25 millionth copy. Chip Reid reports on how a mother and her two daughters are helping turn dorkism into a movement. Source

Researchers studied 43 obese children and cut sugar intake to 10 percent of daily calories. There were dramatic improvements in blood pressure and cholesterol in just nine days. Dr. David Agus joins “CBS This Morning” to discuss the findings. Source

Walgreens says it’s buying rival Rite Aid, uniting two of the country’s top three drug store chains by revenue. Bill Cohan, contributing editor for Bloomberg TV and Vanity Fair, joins “CBS This Morning” to discuss the blockbuster merger. Source

In this week’s edition of “Sounds of the Toyota Green Room,” the “CBS This Morning” co-hosts chat with Usher about his new song “Chains” and Super Bowl MVP Ray Lewis about his new memoir “I Feel Like Going On.” Source

It’s the newest health trend. Maple sap is now being used to make water to satisfy consumers’ tastes for natural products. WCBS’ Brian Webb has more. Source

In her first television interview, Lauren Kwei speaks out to “48 Hours.” Source

This New York City paramedic says she posted nude photos of herself on OnlyFans to make ends meet — but after a revealing article was posted about her, she feared for her safety. Source