CBS News contributor Dr. Tara Narula joins "CBS This Morning: Saturday" to discuss a new poll of unpaid caregivers, a recent study about the most common types of irregular heartbeat, and a new forecasting model that might help predict which strains of the flu will threaten us.

Subscribe to the "CBS This Morning" Channel HERE: http://bit.ly/1Q0v2hE
Watch "CBS This Morning" HERE: http://bit.ly/1T88yAR
Watch the latest installment of "Note to Self," only on "CBS This Morning," HERE: http://cbsn.ws/1Sh8XlB
Follow "CBS This Morning" on Instagram HERE: http://bit.ly/1Q7NGnY
Like "CBS This Morning" on Facebook HERE: http://on.fb.me/1LhtdvI
Follow "CBS This Morning" on Twitter HERE: http://bit.ly/1Xj5W3p
Follow "CBS This Morning" on Google+ HERE: http://bit.ly/1SIM4I8

Get the latest news and best in original reporting from CBS News delivered to your inbox. Subscribe to newsletters HERE: http://cbsn.ws/1RqHw7T

Get your news on the go! Download CBS News mobile apps HERE: http://cbsn.ws/1Xb1WC8

Get new episodes of shows you love across devices the next day, stream local news live, and watch full seasons of CBS fan favorites anytime, anywhere with CBS All Access. Try it free! http://bit.ly/1OQA29B

---
Delivered by Charlie Rose, Norah O’Donnell and Gayle King, "CBS This Morning" offers a thoughtful, substantive and insightful source of news and information to a daily audience of 3 million viewers. The Emmy Award-winning broadcast presents a mix of daily news, coverage of developing stories of national and global significance, and interviews with leading figures in politics, business and entertainment. Check local listings for "CBS This Morning" broadcast times.