Answer:
Alzheimer's disease
Step-by-step explanation:
Alzheimer's disease -
It is the type of disease , which targets the brain and disturbs the process of thinking and can even destroy it completely .
This disease is commonly observed in the in 30's and in mid 60's .
The most common cause of this disease is dementia in the older adults .
The symptoms of this disease are -
Hence ,
Hilda is suffering from Alzheimer’s disease .