A major new study on blood pressure is the talk of the medical world. Researchers say in some cases, lower numbers could save lives. Cardiologist Dr. Tara Narula joins “CBS This Morning” to discuss the new findings by the New England Journal of Medicine. Source

The World Anti-Doping Agency suspended the accreditation of Moscow’s main drug-testing lab Tuesday, a day after the agency said Russia’s government was complicit in massive illegal sports doping. Meanwhile, Russia is rejecting those allegations of widespread doping by its Olympic athletes. Elizabeth Palmer reports Source

After gossip columns reported Bündchen was spotted in a burka outside a plastic surgeon’s office, the famous model tells “CBS This Morning” co-host Charlie Rose how she deals with the paparazzi that feeds “a system and a media that doesn’t have to fact check” Source

SeaWorld says it will phase out its San Diego Shamu show in 2016. San Diego Union-Tribune business reporter Lori Weisberg spoke to CBSN about the change in policy. Source

A new report released Monday showed that people who had taken medication to lower their blood pressure were living longer lives, but how low is too low? Dr. Jon LaPook has more on that. Source

SeaWorld San Diego said Monday it would end the theatrical whale shows the park has become known for. Ben Tracy has more on how the park came to the decision. Source

Medical marijuana dispensaries opened in Illinois for the first time Monday, selling pot to patients with special ID cards. WBBM’s Mike Puccinelli reports. Source

New details are out from a landmark study that found patients benefit from lowering blood pressure more than previously recommended. Brian Webb reports. Source

Charlie Rose goes one-on-one with supermodel Gisele Bündchen to discuss her success on the catwalk, family and her big decision for her modeling career. Watch the full story Tuesday on “CBS This Morning.” Source

Sen. Charles Schumer (D-New York) says a new caffeinated peanut butter product raises health concerns, and at a news conference Sunday he urged the FDA to take action. Source