World Health Organisation said that 1 out of 5 elderly person over 65 years old suffered from dementia diseases, because of recent advances in medicines, people live longer.
It is well-known that symptoms of the 4 dementia diseases are different
Happens when brain tissues shrink and it is the most common dementia disease. The symptoms come on and get worse gradually. Its initial symptom is defect of memory.
Caused by stroke and cerebral bleeding. Used to be the most common dementia disease in Japan but it happens less nowadays because more people are aware of and try to prevent lifestyle disease causes stroke and cerebral bleeding