How many cups a day is ok? A new study examines coffee’s potential boost to heart health [KJTZNPnXLDR]

Cardiologist Dr. Gregory Marcus discusses a new study which found five cups of coffee a day could be beneficial for heart health. Subscribe to CTV News to watch more videos: Connect with CTV News: For live updates and latest headlines visit: For breaking news, fast, download the CTV News App: Must-watch stories and full programs at CTV News on TikTok: CTV News on X (formerly Twitter): CTV News on Reddit: CTV News on LinkedIn: --- CTV News is Canada's most-watched news organization both locally and nationally, and has a network of national, international, and local news operations. #ctvnews #ctvnationalnews #canadiannews

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