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Do Dementia Symptoms Become Worse In Winter

By jeremyc | September 8, 2018

According to a recent study, seasons affect cognitive abilities of seniors considerably, with winter leading to a noticeable drop in cognitive functioning.

One of the most telling examples of the impact of seasons on our brain is seasonal affective disorder, a depression that mostly hits people during winter.

Some studies have also concluded that winter is the time when the probability of the onset of schizophrenia is highest.

In a recent study, the researchers set out to find if Alzheimer’s disease is also affected by seasons.

To check the impact of seasons on dementia, the researchers looked into data of 3,533 seniors in the U.S., France, and Canada. Some of these participants had received an Alzheimer’s diagnoses while others had not.

Each participant had to go through neurological testing. After analyzing the data, the researchers found that cognitive functioning was much worse in winter and spring compared to summer and fall.

In other words, colder months seem to lower cognitive ability in seniors by and large. Moreover, during these months dementia symptoms are likely to worsen.

The researchers agree more research is needed. However, these findings could potentially lead to new treatments for dementia once scientists are able to identify the underlying mechanisms which cause seasonal improvement in cognitive functioning during summer and fall.

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