A new study is linking cancer diagnosis with a higher risk for heart attack or suicide.

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IU Health's Dr. Ronald Mastouri says the mental stress following natural disasters or cancer diagnosis can take an immediate toll on patients. Mastouri says the risk for cardiac events can occur for up to several months. He says stress can cause autonomic changes in the system that can increase heart rate and blood pressure.

The doctor says that can lead to blood clots which can affect the blood or oxygen supply to the heart and lead to heart attacks. Dr. Mastouri says the younger patients are at greater risk because older patients are more likely to already be receiving treatment for potential health events. Dr. Mastouri says social support from friends and family is a crucial factor in driving down stress and decreasing the risk of events.