Q:Caffeine is addictive.
Q:Caffeine is addictive.
The correct answer is: • False
Explanation:
Caffeine is a stimulant that excites the brain. While some stimulants, such as nicotine, are considered addictive, you aren't likely to become addicted to caffeine if you consume it in moderation. However, some people can become dependent on caffeine.
Q:Moderate caffeine consumption may reduce your risk of which of the following?
Q:Moderate caffeine consumption may reduce your risk of which of the following?
The correct answer is: D All of the above
Explanation:
Some studies have shown that moderate consumption of caffeine may reduce your risk of diabetes, gallstones, Parkinson's disease, and liver disease. Despite these studies, though, doctors aren't recommending caffeine consumption as a means to reduce your risks of disease.
Q:Women who consume a lot of caffeine should reduce their consumption when pregnant.
Q:Women who consume a lot of caffeine should reduce their consumption when pregnant.
The correct answer is: • True
Explanation:
Experts say pregnant women would be wise to moderate their intake. Some studies have linked a high intake of caffeine to increased risk for miscarriage and decreased fetal growth, but a cause-and-effect relationship has not been established.
Q:Mothers can transmit caffeine to their babies in breast milk.
Q:Mothers can transmit caffeine to their babies in breast milk.
The correct answer is: • True
Explanation:
Babies can indeed get a dose of caffeine from their mothers' milk. However, according to the American Academy of Pediatrics, "A morning cup of coffee is not likely to harm your baby, but too much caffeine can cause problems such as poor sleeping, nervousness, irritability, and poor feeding."
Q:The caffeine content in a cup of coffee can vary even if you get it at the same place every day.
Q:The caffeine content in a cup of coffee can vary even if you get it at the same place every day.
The correct answer is: • True
Explanation:
The caffeine content in coffee can vary depending on brewing method, the type of bean used, and the amount prepared. For example, researchers in Florida ordered the same beverage from the same coffee shop for six consecutive days and found that the caffeine content ranged from 259 mg to 564 mg.
Q:How long do the effects of caffeine last?
Q:How long do the effects of caffeine last?
The correct answer is: D Longer than five hours
Explanation:
Caffeine's effects last long after you finish that cup of java. It takes five to six hours for your body to eliminate just half of the caffeine in a cup of coffee, which is why having a cup in the afternoon can affect your sleep. In people who are more sensitive to caffeine, the effects may last even longer
Q:Caffeine helps the body absorb headache drugs more quickly.
Q:Caffeine helps the body absorb headache drugs more quickly.
The correct answer is: • True
Explanation:
Caffeine helps the body absorb headache drugs more quickly, bringing faster relief. Adding caffeine requires less medication for the same effect, reducing the risk for potential side effects and possible drug addiction.
Q:Some skin-care products contain caffeine.
Q:Some skin-care products contain caffeine.
The correct answer is: • True
Explanation:
Anti-aging products containing caffeine have been shown to help make skin smoother and reduce the appearance of wrinkles.
Q:Women are more sensitive to caffeine than men.
Q:Women are more sensitive to caffeine than men.
The correct answer is: • False
Explanation:
A recent study found that men have a greater response to caffeine than women; however, another study suggested that this might not always be a good thing. Researchers found that caffeine tended to harm the performance of men in collaborative, stressful situations (such as an office environment), but it improved the performance of women.
Q:As you age, your sensitivity to caffeine declines.
Q:As you age, your sensitivity to caffeine declines.
The correct answer is: • False
Explanation:
Older adults can be more sensitive to caffeine because it takes their bodies longer to process it.
Q:Caffeine can aggravate symptoms of anxiety.
Q:Caffeine can aggravate symptoms of anxiety.
The correct answer is: • True
Explanation:
According to the National Institute of Mental Health, anyone suffering from anxiety disorders should avoid caffeine because it can aggravate symptoms, which include exaggerated worry and tension.
Q:Caffeine can help you sober up when you're intoxicated.
Q:Caffeine can help you sober up when you're intoxicated.
The correct answer is: • False
Explanation:
Contrary to popular belief, caffeine has no sobering effects on intoxicated people.
Q:Caffeinated beverages are dehydrating.
Q:Caffeinated beverages are dehydrating.
The correct answer is: • False
Explanation:
Caffeinated beverages do not generally contribute to dehydration. In the short term, caffeine may have a mild diuretic effect in people who do not normally consume caffeine, but this is not the case for those who habitually drink caffeinated beverages. All beverages, including those that contain caffeine, help maintain hydration.
Q:An overdose of caffeine can kill you.
Q:An overdose of caffeine can kill you.
The correct answer is: • True
Explanation:
Deaths from caffeine overdose are rare, but do happen. The amount of caffeine considered to be an overdose varies by a person's size, age and gender. In general, doses of greater than 10 grams (about 85 cups of coffee) can be fatal in adults.
Q:There is a limit to caffeine content in "energy drinks."
Q:There is a limit to caffeine content in "energy drinks."
The correct answer is: • False
Explanation:
The FDA limits the caffeine content in soft drinks to 71 mg per 12 oz serving, but there is no limit on the amount of caffeine energy drinks can contain. Several energy drinks have more than 100 mg of caffeine per serving, and some have more than 200 mg.
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Reviewed by Charles P. Davis, MD, PhD on April 7, 2011
Sources: 
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Sources:
Johns Hopkins: Caffeine Withdrawal Recognized as a Disorder
Satel, S. American Journal of Drug and Alcohol Abuse, 2006; vol 32: pp 493-502.
National Institute on Drug Abuse: Cocaine Caffeine Nicotine Sedatives Alcohol
Oregon State University: Micronutrient Information Center
Medline Plus: Caffeine in the Diet
International Food Information Council Foundation: Caffeine & Health: Clarifying the Controversies
American Dietetic Association: A Wake Up Call
American Dietetic Association: Should I Give Up Caffeine Now That I Am Pregnant?
National Toxicology Program: Caffeine
Journal of the American Academy of Pediatrics, 1983; vol 72: pp 375-383.
American Academy of Sleep Medicine: Sleep & Caffeine
ScienceDirect: Caffeine Content in Coffee as Influenced by Grinding and Brewing Techniques
National Sleep Foundation: Caffeine and Sleep
Cleveland Clinic: Caffeine and Headache
PubMed.gov: Efficacy of Anti-Aging Products for Periorbital Wrinkles as Measured by 3-D Imaging
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