Scientists have developed an insulin nasal spray to tackle memory loss. In a new trial patients with a form of memory loss called mild cognitive impairment are using spray twice a day. This condition affects one in five older people and triggers problems with day to day memory, such as forgetting people's names or losing your train of thoughts. In some cases the condition can progress to Alzheimer's disease. It is thought that brain cells need insulin to survive and that a drop in levels can lead to brain cell damage. The new trial, with 240 patients follows research which shows that insulin not only reduces memory decline but may slow also the progression of Alzheimer's. Furthermore, it is also nown that poorly controlled diabetes can lead to memory loss. In a year long study led by doctors at Wake Forest University medical school in the US, the patients with mild cognitive impairment or early-stage Alzheimer's disease will use a nasal spray containing insulin or placebo. The spray will be used 30-minutes after breakfast and dinner.
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