Webcaffeine has its perks, but it can pose problems too.

Compared with nonconsumers or consumers of less than.

Find out how much is too much and if you need to curb your consumption.

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If you rely on caffeine to wake you.

Read on to learn more.

A morning cup of coffee may do more than just perk you up, according to new research.

Webup to 400 milligrams of caffeine a day is considered safe for most adults.

Moderate amounts of caffeine intake — defined as one to three cups of.

People who consumed about 200 to 300 milligrams.

However, people's sensitivity to caffeine varies.

If you're bothered by headaches,.

Webdrinking two to three cups of coffee or up to three cups of tea a day was the sweet spot, the researchers found.

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