Why binge drinking is more dangerous for older Americans

A new study estimates more than one in 10 older Americans binge drink. Binge drinking is defined as five or more drinks at a time for men, and four or more for women. Researchers say the habit can be more dangerous for older people, putting them at risk for a range of health problems. Dr. Tara Narula joins "CBS This Morning" to discuss the study and why it's particularly risky for older people.

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