- How much coffee is safe to drink? The Washington Post
- Five Cups of Coffee a Day Is Fine for Most Adults, Heart Association Says WSJ
- Here’s how much coffee is safe to drink every day, research says Channel 3000
- Coffee and heart health: How many cups of caffeinated coffee are safe to drink each day? www.heart.org
- Up to 5 cups of coffee per day may potentially lower heart disease risk, doctors say ABC News – Breaking News, Latest News and Videos
