Is Caffeine a Friend or Foe?

Caffeine jump-starts your day and puts a bounce in your step. It can help you focus, improve your mood and maybe even help you live longer.

But how much is too much?

Photo by Jessica Lewis Creative on

Caffeine, a natural stimulant, can be found in a variety of foods, such as coffee beans, tea leaves, cacao beans, guarana berries and yerba maté leaves. It also can be synthetically created and added to beverages such as soda and energy drinks. Research shows that about 90% of U.S. adults consume some form of caffeine every day.

One of the most popular ways people consume it is through coffee. Because of that, most caffeine research centers around this drink, said Dr. Greg Marcus, associate chief of cardiology for research and a professor of medicine at the University of California, San Francisco.

1 Comment

Filed under caffeine, coffee

One response to “Is Caffeine a Friend or Foe?

  1. About 30 years ago I was drinking coffee continuously during my 8 to 10 hours at work. I lost track every day whether I was on my 5th cup orc14th cup of coffee.
    One day I decided that my consumption level couldn’t be good for my body. So I quit cold turkey. I had a horrible headache for 3 or 4 days. That convinced me I had made the right decision. I do love the smell of coffee but have zero craving for it.


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