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Too much caffeine may be bad for your heart. It can make your heartbeat irregular and flut- tery. Researchers have also found that for some people, two or more cups of coffee a day can increase their risk of heart disease.

Too much caffeine can make your bones weak. As

you get older, you’ll be more likely to break bones.

Caffeine can cause headaches.

Scientists believe that too much caffeine can in- crease a woman’s chances of getting breast cancer or ovarian cancer.

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