Sharon's Tea Shop has caffeinated tea and decaffeinated tea. The tea shop served 12 caffeinated teas and 3 decaffeinated teas. What percentage of the teas served were caffeinated? (PLEASE HELP)
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Answer:
Caffeine’s popularity as a natural stimulant is unparalleled.
It’s found in over 60 plant species and enjoyed across the globe, especially in coffee, chocolate, and tea.
The caffeine content in a beverage varies depending on the ingredients and how the drink is prepared.
While caffeine is considered safe, drinking too much may raise some concerns.
This article compares the caffeine contents of a variety of teas and coffees and explores which drink you should choose.
Why is caffeine a concern?
An estimated 80% of the world’s population enjoys a caffeinated product daily.
Both the U.S. Department of Agriculture (USDA) and European Food Safety Authority (EFSA) define a safe caffeine intake as up to 400 mg per day, 200 mg per single dose, or 1.4 mg per pound (3 mg per kg) of body weight (1Trusted Source, 2Trusted Source, 3).
Due to its stimulating effects, caffeine has been linked to health benefits like enhanced alertness, improved athletic performance, elevated mood, and increased metabolism (4Trusted Source, 5Trusted Source, 6Trusted Source, 7Trusted Source).
That said, consuming high amounts — such as single doses over 500 mg — may raise some concerns (2Trusted Source, 3).
In large doses, caffeine has been associated with anxiety, restlessness, and difficulty sleeping. In addition, some studies suggest that drinking it regularly, even in moderate amounts, can cause chronic headaches and migraines (8Trusted Source, 9Trusted Source, 10Trusted Source).
Furthermore, caffeine is considered mildly addictive, and some people may be more susceptible to developing a dependence (9Trusted Source).
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