I'm 72. I don't worry about cancer,or stroke,or heart disease or getting run over by a bus.
I worry about Alzheimer's,as do most of my friends.
There was an article about curry powder recently. Scientists are studying it because of the low incidence of Alzheimers in India. They are looking at tumeric as an ingredient which protects against alzheimers and helps remove the plaque from the brain.
From talking to one of our friends who has been diagnosed, he's not necessarily worrying about himself but his wife and kids that will need to deal with him.