'Do-it-yourself cardiac bypass advised - UPI

A U.S. newsletter advises that anyone can have a "do-it-yourself cardiac bypass surgery" because all you need is a pair of walking shoes.

The Harvard Heart Letter advises people to give themselves a natural bypass before having a surgeon perform a more painful and hazardous one...

Exercise stimulates the growth of collateral blood vessels and these vessels "can ease chest pain -- angina, limit heart attack damage, improve survival, and perhaps even offer extra time for emergency therapy in the case of a heart attack," the newsletter said.