"Daphnia caffeine" Essays and Research Papers

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    Theobromine

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    Theobromine: C7H8N4O2 Theobromine is very similar to caffeine but has two less hydrogen atoms. Theobromine is the substance in chocolate that can be toxic to animals. It also has a bitter taste‚ and is found in higher quantities in dark chocolate than milk chocolate. Theobromine increases excretion of water from bodies‚ relaxes‚ and stimulates. There is no evidence of the relationship between the structure and functions. Theobromine is an alkaloid belonging to the methylxanthine group. It

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    For many‚ the word “stimulant” is associated with illegal mind-altering simulant drugs such as cocaine. Strangely enough‚ many college students and people around the world consume stimulants on a regular basis in their tea and coffee drinks. Caffeine is known to be one of the most used stimulant drugs by people worldwide. Whether it is because of procrastination or a dense workload‚ students are often left with the feeling that there are not enough hours in the day to complete all their tasks and

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    is a story about an Ethiopian boy named Khardi and his goats. One day Khardi had lost his goats and when he found them they were chewing a strange plant‚ later known as the coffee bean. He noticed the goats seemed to become very energized from the caffeine after chewing this coffee plant. After experimenting himself‚ he also noticed the strange feeling of energy he had never felt before. After making this incredible discovery of this magic tree the boy told his dad about it and this is how coffee become

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    8 Reasons Why People Drink Soda & 16 Reasons To Give Up Soda Drinking [pic] Most of us drink soda. Some drink more than others. And probably many regular soda drinkers are aware that soft drinks are bad for the health. At the same time‚ United States ranks first among countries in soft drink consumption. I think we need to know more about this drink that we love so much. And so here are 8 reasons why we drink soda: 1It’s Very Tasty! The taste could be one thing that gets us addicted to drinking soda

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    Each morning I start my day with a cup of dark roasted coffee with a touch of milk. Caffeine is an essential part of my life. So much so that I get a headache if I do not have a cup of coffee. After careful investigation on the production of coffee‚ its benefits and risks to health. I have concluded that coffee is much more than a morning beverage‚ it is a culture and a huge part of Canadian’s lives. The ideology of the “North American Dream” begins and ends with coffee. The Oxford Dictionary defines

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    India‚ Sri Lanka and East Africa. After the evergreen shoots of black tea are picked‚ they are withered‚ rolled‚ fermented and dried. An important ingredient in tea is caffeine. Unlike high levels of caffeine found in coffee‚ the low amounts in black tea promotes blood flow in the brain without overstimulating the heart. The caffeine in black tea sharpens mental focus and concentration‚ and the trace element fluoride inhibits tooth decay. Black tea also contains abuindant tannins‚ astringent chemicals

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    dependent upon caffeine. Researchers have questioned the probable causes of this dependency‚ and if routine caffeine usage could lead to potentially harmful effects? In the study “The genetics of tea and coffee drinking and preference for source of caffeine in a large community sample of twins‚” (Luciano‚ Kirk‚ Heath & Martin) researchers investigated the prospective genetic and environmental influences on tea and coffee consumption and preference. Studies have shown that long-term caffeine use is likely

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    may include caffeine‚ taurine‚ glucuronolactone‚ sugars‚ and other B vitamins and herbal extracts. Despite the range of constituents‚ researchers generally claim caffeine as the core ingredient responsible for the stimulatory effects of energy drinks (Reissig‚ Strain‚ & Griffiths‚ 2009). However‚ recent research has suggested a synergistic interplay between energy drink constituents‚ with greater performance benefits conferred by the whole beverage than expected from the caffeine content alone

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    Energy Drinks

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    obvious ingredient in an energy drink is caffeine. The bad thing about this ingredient is that people do not realize how much of it is in one can. Jenna Hogan‚ an author of the article “What You Need To Know About Energy Drinks”‚ states “In comparison‚ an average 8 ounce serving of a soft drink and a cup of coffee contains 25 to 85 milligrams respectively. This means that an 8 ounce energy drink can have as much caffeine as 14 colas!”(Hogan 3) This much caffeine can lead to things such as bad sleep‚

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    drugs and effects

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    Nicotine: Uses: In cigarettes‚ cigars‚ tobacco‚ and sometimes hookah. Effects: Same effects as caffeine Withdrawal: Irritability‚ feeling ill/sick Tolerance: Increasing amount intake over a short period of time Caffeine: Uses: In drinks‚ (i.e.): coffees‚ soda‚ and tea. Effects: Increased energy‚ forced wakefulness‚ and mental alertness. Withdrawal: headaches‚ agitation‚ tiredness Tolerance: Increasing amount taken in over a period of time Alcohol: Uses: beer‚ wine‚ hard liquor‚ “unwind”

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