The Effect of Caffeine on Typing Speed, Accuracy and Heart Beat

This article discusses the affects caffeine has on several aspects of human health. These included toxicity, cardiovascular effects (arrhythmia, heart rate, cholesterol and BP), bone/calcium balance, behavior, and reproductive and developmental effects. It also discussing the affect caffeine intake has on children and reproductive-aged women.

Caffeine is a wildly use drug in today’s society. Caffeine is a methylated xanthine which acts as a mild central nervous system stimulant (MS & RL, 2001). It is a stimulant which acts upon the central nervous system and increases alertness, wakefulness and restlessness and it increases the release of catecholamine from renal medullar (Fernandez, 2016; Collines, 2007). It is present in many beverages. Caffeine is found in coffee, tea, soft drinks, products containing chocolate (cocoa) and some medication (Collines, 2007). It is used as a cardiac and respiratory stimulant (Collines, 2007).Caffeine is the most frequently ingested pharmacologically active substance in the world (Collines, 2007).

Despite all the controversy, most people can agree how useful a jolt of extra energy can be some days. Energy drinks can help a doctor be more alert during surgery during a graveyard-shift, help college students get that “A” they have been working towards all semester, or keep police officers vigilant and energized on the job. There’s no way of knowing exactly how many college students that graduated owe their diploma to caffeine, but it sure didn’t hurt to be able to pull all-nighters while being alert. People that enjoy exercise can lift-weights or do cardio way more effectively by drinking one before the work-out. Energy drinks are not only safe but they are making people more effective workers, students, or athletes.

A. Once caffeine is consumed, your body can completely absorb it within 30 to 45 minutes. Its effects will fade away within 3 to 6 to even 8 hours (“Caffeine”).

Caffeine is one of the most consumed psychoactive substances around the world. Caffeine is not bad for health, some researchers even show positive effects. Caffeine appears to reduce fatigue. And in this way also has an indirect effect on decision. Regarding cognitive function, caffeine has an effect on reaction time. Some studies also show a positive effect on long-term memory.

Caffeine is in tea, coffee, chocolate, many soft drinks,and pain relievers and other over-the-counter medications. In its natural form, caffeine tastes very bitter. But most caffeinated drinks have gone through enough processing to camouflage the bitter taste. Many people feel that caffeine increases their mental alertness. Higher doses of caffeine can cause anxiety, dizziness, headaches, and the jitters. Caffeine can also interfere with normal sleep. Caffeine in extreme cases could cause stroke, liver failure, and even

The main reason people drink caffeine is to wake them up and keep them aware as well as to have a feeling of alertness. Too much caffeine can lead to anxiety, light headedness, and irritability. Caffeine can also affect you sleeping patterns. Another side effect of caffeine is increased heart rate. The caffeine that you take goes to work in your body within fifteen to forty five minutes. You will not feel its effects after 7.5 hours but can take up to 30 hours to get rid of it from your body. Caffeine is known to cause physical

Caffeine is found in coffee, tea, soft drinks, chocolate, kola nuts, and certain medicines. Brands of Caffeine include Acetaminophen,Alert-Pep,Anoquan,Butalbital.It makes you jittery and shaky it can cause you to have a hard time falling asleep, staying asleep, or get a sleep it can also cause an increase in heart beat and uneven heart rhythm, It has many more side effect on bodies.Caffeine binds to the adenosine receptor and the cell can no longer identify adenosine because caffeine is taking up all the receptors that adenosine would normally bind to. Caffeine speeds up the nerve cell instead of slowing down like adenosine's effect, Caffeine causes the brain's blood vessels to constrict, because it blocks adenosine's ability to open it.This is why headache medicines contain caffeine ,by it constricting blood vessels in the brain can help stop a vascular

Introduction: (bring a monster, sip it) alright. How many of you here drink coffee, energy drinks, or soda daily? Well we aren’t alone; according to Villanova Health Service about 90 percent of Americans consume caffeine in one way or another every single day.

Caffeine is demarcated as a drug because it arouses the central nervous system, causing increased alertness. Caffeine gives most people a temporary energy boost and elevates mood. That’s why everyone generally uses it for plenty of reasons mostly dealing with work or school. Some people use caffeinated energy drinks to improve their endurance while playing sports or to dance for long periods. That’s just the beginning, these are the things that caffeine does to the brain, heart, fetus, and body.

Caffeine's effects begin about 15 minutes after consumption, alertness is one of the first signs of caffeine working (Brentley, 2017).

In addition to alertness and mental performance, caffeine may also improve memory and reasoning in sleep-deprived people.

According to energyfiend.com a study in Japan showed that caffeine increases memory and has been shown to decrease the rate of Alzheimer’s. This study also showed that caffeine can decrease depression by increasing Dopamine (A mood altering hormone) in the brain. With the increase in production of Dopamine, daily intake of caffeine has also been shown to decrease the rate of Parkinson’s disease.

Many of us find ourselves drinking a freshly brewed cup of coffee, an ice-cold soft drink, a hot cup of tea, or an energy drink whether it be in the morning, afternoon, or in the night but one thing is that they all share a common ingredient: Caffeine

Caffeine has many negative effects on humans, such as increased heart rate (Lane, J.D., 2002), depression (Goldstein, 2008), and addiction to this “drug.” You may be asking yourself, “What is caffeine?” Well, caffeine is actually a stimulant (Barone, Roberts, 2008) that is found in beverages such as tea, coffee, and soft drinks. In fact, caffeine is the highest grossing and most used stimulant in the United States (Barone, Roberts, 2008). It is estimated that 85% of adults living in the United States consume caffeine on a daily basis (Barone, Roberts, 2008). That means for every 100 adults, 85 of them have had a drink that contained caffeine on any given day. One reason caffeine is so widely available compared to other stimulants is