die from something *
die of something **

A man has died of old age in his 30s.

And no one here has died of the cold yet.

He died two years ago of heart problems at age 61.

His family said he had died of a heart attack.

She had died of a heart attack only a year before.

His father had died of a heart attack when he was 8.

The report said he had died of a heart attack in 1947.

Yet, in the past 25 years more women than men have died of heart disease each year.

Her father had died of a heart attack at 55.

He was 66 years old and died of cancer, his family said.