Scientists have discovered the first sign of Alzheimer’s disease
Violation of smell occurs in patients over ten years before the appearance of obvious symptoms.
The first signs of development of Alzheimer’s disease can be determined due to the violation of the sense of smell in a patient. To such conclusion employees of the Main hospital of Massachusetts in the United States.
The study involved 183 volunteers aged 57 years, ten of which have already suffered from Alzheimer’s disease.
Respondents were asked to identify different odors. A special instrument recorded whether they call them. There were ten specific flavors: menthol, clove, leather, strawberry, lilac, pineapple, smoke, soap, grape, lemon.
In addition, the patients underwent genetic examination and special tests on visualization and memory.
All tests confirmed the researchers ‘ hypothesis that people with impaired olfaction are more at risk of developing Alzheimer’s disease, according to the Federal news Agency.
Study leader Dr. mark Albers Department of neurology Massachusetts hospital, said that the first signs of Alzheimer’s disease appear 10 years before the appearance of obvious symptoms.
The scientist noted that their method of recognition and identification of odors is the most simple and accessible for disease.