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Caffeine in powder or liquid form can provide toxic levels of caffeine, the U.S. Food and Drug Administration has cautioned. Just one teaspoon of powdered caffeine is equivalent to about 28 cups of coffee. Such high levels of caffeine can cause serious health problems and possibly death. More @Wikipedia
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- Caffeine – The Nutrition SourceCaffeine is a mild stimulant to the central nervous system that quickly boosts our alertness and energy levels. Learn more about caffeine and health.
- Caffeine - MedlinePlusWhat is caffeine? Caffeine is a bitter substance that occurs naturally in more than 60 plants including: Coffee beans; Tea leaves; Kola nuts, which are used to flavor soft drink colas; Cacao pods, which are used to make chocolate products; There is also synthetic (man-made) caffeine, which is added to some medicines, foods, and drinks.
- Caffeine | Stimulant, Health Benefits, Addiction | BritannicaLearn about caffeine's effects on the human body. Caffeine has a stimulating effect on the central nervous system, heart, blood vessels, and kidneys. It also acts as a mild diuretic. Caffeine’s potent stimulatory action makes it a valuable antidote to respiratory depression induced by drug overdose (e.g., from morphine or barbiturates).
- Caffeine: Benefits, risks, and effects - Medical News TodayWhat does caffeine do to your body? Caffeine is a stimulant and the most commonly used drug in the world. Benefits can include increased alertness, energy, and concentration. However, it can...
- Caffeine content for coffee, tea, soda and more - Mayo ClinicUp to 400 milligrams of caffeine a day is considered safe for most adults. However, people's sensitivity to caffeine varies. If you're bothered by headaches, restlessness or anxiety, you may want to reevaluate your caffeine intake.
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