Promising drugs are being developed to help Alzheimer’s patients. Cenk Uygur and Ana Kasparian break it down. Find out your utility’s clean energy score. Tell them you care about renewable options.
“New drugs could one day be developed to help Alzheimer’s patients recover memories believed to be lost forever, according to scientists who have reawakened forgotten memories in mice.
Memory loss in people with Alzheimer’s disease, the most common form of dementia, is caused by the build-up of a toxic plaque in the brain that destroys nerve cells.
This sticky substance, created by a protein called amyloid beta, is thought to completely erase memories – causing progressive amnesia that can be distressing for both patients and their families.
But new research suggests it is still possible to recall these memories, because they are not completely wiped by the disease, but just made harder to access.
Scientists at Columbia University in New York used lasers to reveal that mice with a condition similar to human Alzheimer’s were calling up the wrong memories – a phenomenon also seen in people with dementia, whose recollections of the past can become muddled and incorrect.
However, when the brain cells that store memories were stimulated in the Alzheimer’s mice, they appeared to remember a lemon smell they had previously ‘forgotten’.”
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Hosts: Cenk Uygur, Ana Kasparian
Cast: Cenk Uygur, Ana Kasparian
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