A．Blood diseases.B．Heart attacks.C．Colds or flu.D．Pneumonia.

A．Increase the number of strokes.B．Increase heart attacks.C．Increase asthma attacks.D．

The factors that may lead to a physical heart attack do NOT include______.A．sleep disorder

Which of the following is written by Flannery OConnor？A．Wise Blood.B．The Heart Is a Lonely

According to the news item, researchers can predict a heart attack byA．examining the plaqu

A daily dose of laugher may be good for the heart because it makes blood vessels work more

Nowadays, middle－aged men, ________ often suffer from heart attack.A、in orderB、in partic