Neurodegenerative diseases most often have a slow and progressive onset. Immediately identifying risk factors and the first signs of a change can play a decisive role in prevention. This is the case, for example, of a variation in one of the senses with which we perceive and come into contact with the world. The first symptoms of Parkinson’s and Alzheimer’s are recognized in this part of the body and let’s see what it is below.
What happens to many body functions as we get older
As we age, the senses could undergo a real transformation. To stay young and healthy for as long as possible, it is sometimes important to follow a few small habits. We have provided an example in the article “How to stay young at 60 with a very simple but very effective exercise”.
Aging often justifies the change in food tastes or preferences in many older people. The nose and sense of smell are not exempt from this type of change either. Although aging involves changes in sight, hearing, taste and smell, some changes can instead herald more complex clinical pictures. According to some scientific studies, an evident and marked alteration of the sense of smell could be a predictor of neurodegenerative diseases. In particular, Alzheimer’s and Parkinson’s.
The first symptoms of Parkinson’s and Alzheimer’s are recognized in this part of the body
Loss of the ability to smell is called anosmia and can be a wake-up call for dementia and neurodegenerative diseases. Scientific studies conducted by researchers at the University of Michigan have shown that the reduction in olfactory capacity is an indicator of the subject’s state of health. The researchers conducted the study on a sample of 2,300 subjects between the ages of 70 and 82. The results showed that, after a decade, those who had experienced a significant loss of smell were more exposed to the risk of death.
These data show how the single alteration of a perceptual sense can say a lot about the person’s state of health. The olfactory deficit can represent an alarm bell in particular when it remains unchanged over time without remissions. An accurate diagnosis is essential in these cases to eliminate other possible causes that determine temporary alterations such as allergies for example. When the alteration is permanent it could involve the nervous system and thus become a predictor of Alzheimer’s or Parkinson’s disease in some cases.
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