Here’s how drinking coffee could protect your heart
In mice, caffeine boosts cells’ energy and that helps repair damage
![four cups of coffee](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/06/061918_TS_coffee-heart_feat.jpg?fit=860%2C460&ssl=1)
CUPSA JOE Studies have shown that people who drink four cups of coffee a day have a lower risk of dying of a heart attack. A new study in mice may show one reason for that; caffeine in coffee gives cells energy to fight off damage.
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