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Topic: Caffeine

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	Caffeine - Wikipedia, the free encyclopedia
		Caffeine is a plant alkaloid, found in numerous plant species, where it acts as a natural pesticide that paralyzes and kills certain insects feeding upon them.
		Caffeine's principal mode of action is as an antagonist of adenosine receptors in the brain.
		Because caffeine is primarily an antagonist of the central nervous system's receptors for the neurotransmitter adenosine, the bodies of individuals who regularly consume caffeine adapt to the continual presence of the drug by substantially increasing the number of adenosine receptors in the central nervous system.
	en.wikipedia.org /wiki/Caffeine (4317 words)

	Caffeine
		Caffeine and some of its metabolites can cause changes in the cells of the body and in the way in which they reproduce themselves, and caffeine certainly enhances this kind of action by some known carcinogens.
		Caffeine is added for its ability to relieve headache, including that caused by caffeine withdrawal, and for its ability to help analgesics do their work better.
		The ability of caffeine to stimulate breathing is used in the treatment of apnea (cessation of breathing) in newborn babies, and as an antidote against the depression of breathing by overdose of heroin and other opiate drugs.
	www.wellness.gatech.edu /information/2_drug_abuse/caffeine.php (1194 words)

	NTP-CERHR: Common Concerns - Caffeine
		Motherisk recommends that caffeine intake by pregnant women not exceed 150 mg/day whereas OTIS stated that moderate caffeine intake of 300 mg/day (equivalent to about 3 cups of coffee) does not seem to reduce fertility in women or increase the chances of having a child with birth defects or other problems.
		While caffeine intake before and during pregnancy appeared to be associated with increased fetal loss, the authors failed to account for a number of factors that could result in a false association, including effects of morning sickness or nausea*, the number of cigarettes smoked and amount of alcohol consumed.
		Further, the relationship of caffeine consumption to spontaneous abortion was investigated in a study of 5,342 pregnant women in 1997 in which researchers concluded that there was no increased risk for spontaneous abortion associated with moderate caffeine consumption.
	cerhr.niehs.nih.gov /common/caffeine.html (1865 words)

	ific.org : Questions and Answers About Caffeine and Health (Site not responding. Last check: 2007-09-20)
		Caffeine is one of the most comprehensively studied ingredients in the food supply.
		Caffeine is a naturally occurring substance found in the leaves, seeds or fruits of at least 63 plant species worldwide.
		Caffeine is a naturally occurring substance found in the leaves, seeds or fruits of more than 60 plants.
	www.ific.org /publications/qa/caffqa.cfm (1256 words)

	Caffeine
		Caffeine is a central nervous system stimulant drug used as an aid to stay awake, for mental alertness due to fatigue, and as an adjunct with other drugs for pain relief.
		Caffeine is available alone as a nonprescription drug, in combination with other nonprescription drugs, and in prescription drug combinations for relief of pain and headache.
		In a group of 980 postmenopausal women, lifetime caffeine intake equal to two cups of coffee per day was associated with decreased bone density in those who did not drink at least one glass of milk daily during most of their life.
	www.publix.com /wellness/notes/Display.do?id=Drug&childId=Caffeine (639 words)

	Information about caffeine dependence
		Caffeine’s effects on sleep appear to be determined by a variety of factors including dose, the time between caffeine ingestion and attempted sleep, and individual differences in sensitivity and/or tolerance to caffeine.
		Caffeinism is an older term that has been used to describe the toxic effects of caffeine resulting from acute or chronic use.
		Caffeine intoxication is currently defined by a number of symptoms and clinical features that emerge in response to recent consumption of caffeine.
	www.caffeinedependence.org /caffeine_dependence.html (3064 words)

	ific.org : Everything You Need to Know About Caffeine
		Caffeine does not accumulate in the bloodstream or body and is normally excreted within several hours following consumption.
		Research has also shown that caffeine intake is not related to the development of fibrocystic breast disease (FBD), a condition with benign fibrous lumps in the breast, although caffeine is sometimes thought to aggravate this condition.
		Caffeine is used as a flavor in a variety of beverages.
	ific.org /publications/brochures/caffeinebroch.cfm (1286 words)

	It's Your Health - Caffeine
		Caffeine in its natural and added forms is found in a growing list of products including coffee, tea, cola beverages, new "energy" drinks, chocolate and even some medicines.
		Caffeine is a natural ingredient found in the leaves, seeds or fruit of a number of plants, including coffee, tea, cocoa, kola, guarana and yerba maté.
		The caffeine content of a 1-oz portion of a dark chocolate candy bar would be closer to 19 mg.
	www.hc-sc.gc.ca /iyh-vsv/food-aliment/caffeine_e.html (1231 words)

	Caffeine
		Green tea, which is unfermented, has one-third the caffeine per cup as fl tea, which is fully fermented.
		The smaller the leaf, the stronger the extraction of caffeine.
		Caffeine's primary effects last about 15 to 45 minutes, depending on an individual's sensitivity.
	www.republicoftea.com /pages/caffeine.html (157 words)

	#caffeine v3 - the caffeine information archive
		However, the first documented case of caffeine consumption for its stimulating effects was done in the 15th century by Sufis of Yemen to aid concentration during evening prayer.
		Caffeine is a naturally occurring stimulant of the central nervous system and can be found around the world both naturally in coffees and in teas or artificially extracted for carbonates beverages.
		Intentional overdose of caffeine pills is the leading cause of death by caffeine consumption, and even this is difficult to achieve.
	www.caffeine.zeonhost.com (1592 words)

	Coffee and Caffeine's Frequently Asked Questions (Site not responding. Last check: 2007-09-20)
		Although, caffeine is relatively scarce in cocoa, its mainly because of theobromine that cocoa is "stimulating".
		Toxic dose The LD_50 of caffeine (that is the lethal dosage reported to kill 50% of the population) is estimated at 10 grams for oral administration.
		Caffeine enhances the action of the ergot alkaloids in the treatment of migrane, a discovery that must be credited to the sufferers from the disease who observed that strong coffee gave symptomatic relief, especially when combined with the ergot alkaloids.
	www.faqs.org /faqs/caffeine-faq (8370 words)

	Caffeine
		Caffeine moves through the body within a few hours after it is consumed.
		Caffeine can aggravate heart problems or nervous disorders, and some teens may not be aware that they are at risk.
		Caffeine was used many years ago by some doctors as an antidepressant because it perked patients up.
	www.coolnurse.com /caffeine.htm (782 words)

	Caffeine
		Caffeine seems to affect the amount of time the baby spends resting, which could lead to abnormal behaviour later on.
		Caffeine's bitter taste acts as a flavouring agent to counteract the sweetness of the sugar.
		Caffeine gets across the placenta very easily and if the mother continues to ingest her coffee or caffeine-containing beverage the foetus will end up having as much caffeine as the mother.
	www.abc.net.au /quantum/poison/caffeine/caffeine.htm (2218 words)

	Caffeine and Your Child
		Caffeine is a diuretic that causes the body to eliminate water (through urinating), which may contribute to dehydration.
		Caffeine may be an especially poor choice in hot weather, when children need to replace water lost through perspiration.
		Caffeine moves through the body within a few hours after it's consumed and is then passed through the urine.
	www.kidshealth.org /parent/nutrition_fit/nutrition/caffeine.html (1087 words)

	Caffeine - Ask the Dietitian
		Caffeine belongs to a group of chemicals called xanthines which include theophylline (used in the treatment of lung diseases like emphysema and asthma) and theobromine.
		The caffeine content is about 80 to 115 milligrams for a five ounce cup, depending on the amount of ground coffee added to a five ounce cup of water.
		Caffeine spares glucose, which is in limited supply in the body, both as glucose and glycogen.
	www.dietitian.com /caffeine.html (1589 words)

	Caffeine
		Caffeine is a drug that is naturally produced in the leaves and seeds of many plants.
		Caffeine is defined as a drug because it stimulates the central nervous system, causing increased heart rate and alertness.
		Pregnant women or nursing mothers should consider decreasing their caffeine intake, although in small or moderate amounts there is no evidence that it causes a problem for the baby.
	kidshealth.org /teen/drug_alcohol/drugs/caffeine.html (817 words)

	MedlinePlus Drug Information: Caffeine (Systemic) (Site not responding. Last check: 2007-09-20)
		Caffeine is also used in combination with ergotamine (for treatment of migraine and cluster headaches) or with certain pain relievers, such as aspirin or aspirin and acetaminophen.
		Caffeine is sometimes used in combination with an antihistamine to overcome the drowsiness caused by the antihistamine.
		Citrated caffeine and caffeine and sodium benzoate are to be administered only by or under the supervision of your doctor.
	www.nlm.nih.gov /medlineplus/druginfo/uspdi/202105.html (1721 words)

	Caffeine intake during Pregnancy : American Pregnancy Association
		Because caffeine is a stimulant, it increases your blood pressure and heart rate, both of which are not recommended during pregnancy.
		Caffeine is not only found in coffee but also in tea, soda, chocolate, and even some over-the-counter medications that relieve headaches.
		Caffeine causes miscarriages: A few studies have shown that there may be an increase in miscarriages among women who consume more than 300 mg (three 5 oz cups of coffee) a day.
	www.americanpregnancy.org /pregnancyhealth/caffeine.html (553 words)

	National Sleep Foundation
		Because caffeine is a stimulant, most people use it after waking up in the morning or to remain alert during the day.
		Caffeine enters the bloodstream through the stomach and small intestine and can have a stimulating effect as soon as 15 minutes after it is consumed.
		Caffeine can be safely eliminated from a child's diet since there is no nutritional requirement for it.
	www.sleepfoundation.org /sleeptionary/index.php?id=24 (404 words)

	Caffeine - health information
		Caffeine may help you stay awake and be alert to study, but it will not improve your performance on an exam the next day if you have not gotten enough rest or are exhausted from an all-nighter.
		At this time, moderate caffeine intake is not believed to affect either fertility or the health of a mother or fetus.
		Caffeine's effects vary according to the individual - some people feel very little effect and some people feel frazzled by the smell of a coffee bean.
	www.mckinley.uiuc.edu /handouts/caffeine.html (889 words)

	Caffeine definition - Medical Dictionary definitions of popular medical terms
		Caffeine: A stimulant found naturally in coffee beans, tea leaves, cocoa beans (chocolate) and kola nuts (cola) and added to soft drinks, foods, and medicines.
		Caffeine can help relieve some headaches, so a number of over-the-counter and prescription pain relievers include it as an ingredient, usually with aspirin or another analgesic.
		The word "caffeine" came from the German Kaffee and the French café meaning, of course, coffee.
	www.medterms.com /script/main/art.asp?articlekey=11068 (272 words)

	[No title] (Site not responding. Last check: 2007-09-20)
		Caffeine is a free high-performing interoperability solution between the Java platform and the.NET framework.
		Caffeine's key differentiator is that does not replace the Java Virtual Machine.
		Caffeine is open source, built for and by developers, and licensed under an MIT/X license that allows Caffeine to be used and/or embedded in commercial software.
	caffeine.berlios.de /site/index.html (197 words)

	The caffeine question: Should you decaffeinate your diet? - MayoClinic.com
		If you're susceptible to the effects of caffeine, just small amounts — even one cup of coffee or tea — may prompt unwanted effects, such as anxiety, restlessness and irritability.
		Caffeine can also increase the number of times you wake up during the night and can interfere with deep sleep, which makes your night less restful.
		Caffeine can be habit-forming, so any attempts to stop or lessen the amount you normally consume can be challenging.
	www.mayoclinic.com /health/caffeine/NU00600 (1105 words)

	Caffeine @ National Geographic Magazine
		The widespread use of caffeinated drinks—replacing the ubiquitous beer—facilitated the great transformation of human economic endeavor from the farm to the factory.
		Czeisler, who rarely consumes any caffeine, is a bundle of wide-awake energy in his white lab coat, racing around his lab at Boston's Brigham and Women's Hospital, grabbing journal articles from the shelves and digging through charts to find the key data points.
		Since caffeine has also been shown to enhance mood and increase alertness in moderate amounts, it's a potent potion for students and scholars stuck in the lab at three in the morning.
	magma.nationalgeographic.com /ngm/0501/feature1/index.html (1213 words)

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