Research shows a new drug can detect changes in the brain that could help doctors diagnose Alzheimer's Disease earlier. The drug is used in combination with a Pet Scan and flags areas of plaque on the brain. Currently, Alzheimer's can only be detected during an autopsy after death or a brain biopsy.
Also, being happy seems to be good for your heart. Scientists have long known that Type A personalities and people who are chronically angry, anxious or depressed have a higher risk of heart attacks. Now a Harvard review of the flip side of that psychology concludes that being upbeat and optimistic just may help protect against heart disease. Previous work shows the stress associated with negative psychological traits can lead to damage of the arteries and the heart itself. Some research has found that asking people to smile helps put them in a better mood, although long-term effects aren't clear.
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