what is Alzheimer's disease?what are its symptoms?

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what is Alzheimer's disease?what are its symptoms?..

Answer / kalyan vasanth

Alzheimer's disease ? which is a progressive, degenerative
brain disease ? goes beyond simple forgetfulness. It may
start with slight memory loss and confusion, but it
eventually leads to irreversible mental impairment that
destroys a person's ability to remember, reason, learn and
imagine.

Most people with Alzheimer's share certain signs and
symptoms of the disease.

Increasing and persistent forgetfulness

Difficulties with abstract thinking. Difficulty finding the
right word. It may be a challenge for those with
Alzheimer's to find the right words to express thoughts or
even follow conversations. Eventually, reading and writing
also are affected.

People with Alzheimer's may lose a sense of time and dates.
They may find themselves lost in familiar surroundings.
Eventually, they may even wander from home.

Loss of judgment. Solving everyday problems, such as
knowing what to do if food on the stove is burning, becomes
increasingly difficult, eventually impossible. Alzheimer's
is characterized by greater difficulty in doing things that
require planning, decision making and judgment.

Difficulty performing familiar tasks. Once-routine tasks
that require sequential steps, such as cooking, become a
struggle as the disease progresses. Eventually, people with
advanced Alzheimer's may forget how to do even the most
basic things.

Personality changes. People with Alzheimer's may exhibit
mood swings. They may express distrust in others, show
increased stubbornness and withdraw socially. Early on,
this may be a response to the frustration they feel as they
notice uncontrollable changes in their memory. Depression
often coexists with Alzheimer's disease. Restlessness also
is a common sign. As the disease progresses, people with
Alzheimer's may become anxious or aggressive and behave
inappropriately.

The course the disease takes and how rapidly changes occur
vary from person to person. The average survival rate is
eight years after being diagnosed with Alzheimer's, but
some people live as few as three years after diagnosis,
while others live as long as 20 years.

Alzheimer's generally progresses from mild to moderate to
severe to, finally, profound impairment. People with mild
Alzheimer's can usually live alone and function fairly
well. Those with moderate Alzheimer's may have greater
difficulty coping without supervision. People with advanced
Alzheimer's generally can no longer care for themselves.

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