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Caffeine dependence can cause a host of physiological effects if caffeine consumption is not maintained. Withdrawal symptoms may include headaches, fatigue, difficulty concentrating, lack of motivation, mood swings, nausea, insomnia, dizziness, cardiac issues, hypertension, anxiety, backaches, and joint pain; these can range in severity from mild to severe. [18]
The person could suffer from severe symptoms of caffeine withdrawal including headaches, fatigue, and difficulty concentrating. It is recommended that the person reduces caffeine consumption gradually to avoid withdrawal as attempts to suddenly discontinue all caffeine consumption are frequently abandoned due to the severity of the withdrawal ...
A growing chorus of concerned former caffeine “addicts” are trying to wake people up to the substance’s negative effects.
But too much coffee can cause problems, like headaches and migraines, anxiety and withdrawal symptoms. The AMA said the best way to reap the benefits of caffeine is in "small, frequent doses."
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[31] [32] At high doses, typically greater than 300 mg, caffeine can both cause and worsen anxiety. [33] For some people, discontinuing caffeine use can significantly reduce anxiety. [34] Caffeine-induced anxiety disorder is a subclass of substance- or medication-induced anxiety disorder. [35]
It typically occurs following an overdose or several day binge on psychostimulants, [1] although it can occur in the course of stimulant therapy, particularly at higher doses. [2] One study reported occurrences at regularly prescribed doses in approximately 0.1% of individuals within the first several weeks after starting amphetamine or ...
Here's what immunologists say.