Researchers at Harvard University found a "stark" difference in survival according to whether the patient's and doctor's gender matched.
The team collected data on heart attack patients, and their physical activity levels as reported six to 10 weeks or 12 months after the event.
"At the specified hospitals a patient with chest pain will be diagnosed with a heart problem and it will be reported to the UHI."
Currently, people stricken by heart attacks outside of hospitals have only an eight to 10 percent survival rate
You need to walk seven miles a day to compensate.
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