What is caffeine addiction?

Caffeine dependence is the physiological dependence on caffeine, which is the result of the usual food intake that contain caffeine, especially coffee. Other foods containing caffeine include soda, energy drinks, tea and chocolate. Times differ in caffeine content depending on the type of tea, while most sodas contain about half of the caffeine found in a cup of coffee. Energy drinks also differ in the caffeine content from the amount of less than a cup of coffee to several cups.

caffeine is a psychoactive stimulant that affects a certain nervous transmitters in the brain. By linking to adenosine receptors, it acts as an inhibitor, which in turn increases the activity of dopamine neurotransmitters. Dopamine is known as a mood lift, the key to the design of some drugs used in the treatment of depression. Caffeine may also increase the level of epinephrine (adrenaline), a hormone that runs during combat or flight response. In short, caffeine is a pick-me-up and in today's rapid caffeine in the world, the dependence is based.

caffeine arrests for sleepiness, provide energy and can create an euphoric mood that can take three or four hours. However, as dependence on caffeine increases, resistance to caffeine effects may result in a larger amount to achieve the same stimulating effect. At this stage, heavy coffee or energy drink users can experience side effects such as digestion, sleep disorders, nervousness, muscle twitching and irritability.

One of the effects of caffeine dependence is download when caffeine intake is sharply limited or suddenly stopped. Adenosine contributes to blood pressure regulation. Due to the inhibitory effect on adenosine receptors, the body is compensated by the production of multiple receptors. When caffeine intake ceases, there are essentially too many functional adenosine receptors that cause expansion blood vessels in Brain results in headache and nausea. For a fewDays will compensate the body and produce fewer receptors. Download can take anywhere from two to five days.

While governments control many stimulants, caffeine remains legal and is reportedly one of the most used drugs in the world. It is likely that many people who suffer from the effects of dependence on caffeine do not realize that it is caffeine in their diet that causes problems. A study on potential benefits and risks of caffeine varies according to mixed results. Most sources agree that slight levels of caffeine intake (two to three cups of cassette a day) do not pose any significant health risks for adults. Caffeine is toxic to some pets, including dogs, parrots and horses.