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New test may help detect Alzheimer's earlier

Name: New test may help detect Alzheimer's earlier
Uploaded: 2014-07-08T15:29:45-0400
Duration: 1 min 21 s
Description: More than 5 million people in the U.S. are living with Alzheimer's. Now British researchers say they have developed a blood test that could reveal early changes in the brain related to the disease - before a patient has symptoms. CBS News' Alphonso Van Marsh reports.

More than 5 million people in the U.S. are living with Alzheimer's. Now British researchers say they have developed a blood test that could reveal early changes in the brain related to the disease - before a patient has symptoms. CBS News' Alphonso Van Marsh reports.