Nasal spray may slow Alzheimer's progression

September 13, 2011

A study in the journal Archives of Neurology shows insulin could help with cognition and functioning in patients with mild and severe dementia. They studied insulin which is delivered through the nose.

The group in the study was only 104 people, so a lot more research is needed. But the study's author says this suggests insulin plays an important part in brain function.

Researchers caution people not to experiment at home, because no one knows what the optimal dose would be, and too much insulin may be harmful in the long run.

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