What does science say about caffeine? First, there is high interest, both public and scientific, in the adverse health effects of regular consumption of caffeinated beverages.
However, the studies are not conclusive. Only one cause-effect association related to caffeine consumption on negative outcomes during pregnancy is known.
What science says about caffeine, especially through epidemiological studies, is that this substance has a beneficial effect in reducing the risk of numerous chronic diseases.
But, to understand its effect on health, it is first necessary to know where this active compound comes from.
Where does caffeine come from?
Caffeine is the most widely consumed stimulant throughout the world. Its main sources are:
Kola nuts ( Cola acumina te).
Cocoa beans ( Theobroma cacao ).
Yerba mate ( Ilex paraguariensis ), consumed in some South American countries.
Guarana blackberries ( Paullinia cupana ).
Roasted coffee beans ( Arabica and Robusta ) and tea leaves (Camellia sinensis) , its main dietary sources worldwide.
In addition to the above sources, caffeine is found in some pain medications, carbonated and energy drinks, as well as dietary supplements.
The concentration of caffeine varies a lot between the drinks that contain it, however, coffee is the drink with the highest concentration with 100 mg / cup. In second place is mate, which averages 78 mg / 8 oz, followed by black tea at 55 mg / 8 oz.
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