ABC News
OnCall+ Heart Disease Center
ABC News Medical Editor Dr. Tim Johnson welcomes you to the OnCall+ Heart Disease Center with easy-to-use advice on this vast resource.

On Call+ Heart Disease

Questions & Answers

ABC News OnCall+ Heart Disease

OnCall+ Heart Disease

Welcome to the ABC News OnCall+ Heart Disease Center! Find answers to the most pressing questions on heart disease answered by the nation's top medical experts from the country's most prestigious medical centers.

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