The early stages of Parkinson’s disease can be identified by the loss of sensitivity to the smell of gasoline

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At the University of Michigan has completed a multi-year experiment to detect signs of developing dementia in its earliest stages. The condition of the body when usual anxiety symptoms is not in sight, and the disease is already advanced, you can calculate by random loss of smell. For example, if people suddenly ceased to feel the smell of gasoline or soap.

The study lasted 10 years, much longer than similar programs, allowing you to find subtle patterns that develop very slowly. In the group of mixed racial composition was 2462 persons in the age from middle to old. All of them were regularly forced to hand over the tests to identify Parkinson’s medical ways as well as take a test on smell.

Sniff test subject had no exotic flavors, and 12 common scents, from cinnamon and lemon to gasoline and soap. And to give their assessment of the intensity of the aroma, from weak to strong. Later, by the end of the experiment, 42 patients officially stated Parkinson’s disease on proven markers – all of them during the experiment was very weak sense of smell. More precisely, the statistical analysis gave the following result: people with a weak sense of smell at the beginning of the research a chance to get dementia was 5 times higher than that of their counterparts with a normal sense of smell.

Scientists insist that held the correction data and took into account such factors impact on the sense of smell, as Smoking, head injury, personal and mental disorders. It should be noted that this study is fundamental, and concrete tests determination of the signs of Parkinson’s disease as the smell of a man not yet worked out.

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