As a doctor, I have seen and read that it is a hereditary disease for which new medications are being approved so far.
At 97 years old, your mother has excellent survival; if she eats and can do some physical activity, she has more years to live.
I have noticed that people with active social, intellectual, and physical lives can better prevent it than those without. Try to advise your siblings to do these things to stop it.
Good nutrition is essential to good health.
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