Caffeine addiction, or a pathological and compulsive form of use, has been documented in humans. Mild physical dependence can result from long-term caffeine use. Molecular structure of caffeine Dependence
CAFFEINE WITHDRAWAL SYMPTOMS ONE MONTH MANUAL
The Diagnostic and Statistical Manual of Mental Disorders describes four caffeine-related disorders including intoxication, withdrawal, anxiety, and sleep.
Caffeine's ability to block these receptors means the levels of the body's natural stimulants, dopamine and norepinephrine, continue at higher levels. Adenosine is a by-product of cellular activity, and stimulation of adenosine receptors produces feelings of tiredness and the need to sleep. Ĭaffeine's mechanism of action is somewhat different from that of cocaine and the substituted amphetamines caffeine blocks adenosine receptors A 1 and A 2A. For example, in African, Asian and Pacific countries, tea is the most popular form of caffeine, whilst in Europe and North America, coffee is the mainstream choice. Cultural influence is a large factor in deciding how and what way caffeine is used. Studies have found that 89 percent of adults in the U.S consume on average 200 mg of caffeine daily. Caffeine is one of the most common additives in many consumer products, including pills and beverages such as caffeinated alcoholic beverages, energy drinks, and colas. Caffeine dependence is the condition of having a substance dependence on caffeine, a commonplace central nervous system stimulant drug which occurs naturally in coffee, tea, yerba mate, cocoa, and other plants.
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