Dementia has little objective symptom so that it is important that their family or people around notice their symptoms.
(1) Having stopped watching favorite TV dramas recently.
Dementia makes difficult to follow the story of dramas like how many characters there are, the relationship between the characters. Dementia also declines the track of the day of a week, so people with dementia have come not to know what day of the week the TV program is on.
(2) Often taking a nap for more than 30 minutes
Taking a nap for more than 30 minutes is counted as that you have had deep sleep once. This has a harmful influence to the sleep at night and make it difficult to remove the substance causing dementia, which is stains in the brain.
So taking a nap for more than 30 minutes makes the risk of dementia development more than double.
But taking a nap for about 15 minutes lowers the risk of dementia development by one fifth, compared to taking no nap.
(3) Sometimes rotting the food in the refrigerator.
It has drawn an attention lately that at the beginning stage of dementia, the sense of smell is decreased.
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