Is coffee actually good for you? How many cups a day is considered healthy? Is drip coffee worse than espresso? Joe Avella and Jessica Orwig answer these questions and more on the Facebook series "Science the $#!* out of it."

Turns out, coffee is good for you. But there's more to the story. There's a limit to how much caffeine you should drink. The FDA recommends no more than 400 mg of caffeine per day.

But be careful about what time of day you drink coffee, especially if you're sensitive to caffeine's effects. The halflife of caffeine is about six hours. So, if you have a cup of coffee at 8 am, 25% of the caffeine in that cup will still be in your system by 8 pm.

So, having coffee with your breakfast is probably better than sipping it with your dessert. Learn more about coffee as Avella and Orwig hash it out.

Watch the whole series:   / sciencetheshtoutofit  

Read more: http://www.businessinsider.com/sai

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