Insulin nasal spray boosts memory in study
Researchers around the world keep looking for ways to limit the memory damage caused by Alzheimer's disease. The latest treatment showing some promise is a nasal spray that uses a form of the insulin hormone.
For 21 days, a team of scientists at Wake Forest Baptist Medical Center monitored the effects of manufactured insulin on 60 adults with either mild cognitive impairment (MCI) or moderate Alzheimer’s dementia (AD). One group was given 40 units of the nasal insulin detemir, another was given 20 units and a third group was given a placebo.
Of the three groups, short-term ability to process verbal and visual cues increased the most in those who were given 40 units of the spray. That same dosage of the spray was also able to increase memory scores for those carrying the gene that increases a person’s risk for dementia the most. Carrying that particular gene usually makes the body resistant to most treatments.
The findings, published in the online Journal of Alzheimer’s Disease, also suggested that using insulin detemir in the treatment of these conditions did not cause any major negative side effects.