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Caffeine sensitivity causes symptoms like headaches, insomnia, and anxiety. While usually not dangerous, it can be uncomfortable.
diuresis (increased urination), and; gastrointestinal disturbance. Symptoms associated with high doses of caffeine include muscle twitching, rambling flow of thought and speech, tachycardia and cardiac arrhythmia, periods of inexhaustibility, and; psychomotor agitation, [1] anorexia (loss of appetite), seizures, death.
Caffeine-induced anxiety disorder is a subclass of the DSM-5 diagnosis of substance/medication-induced anxiety disorder. [1] Consumption of caffeine has long been linked to anxiety. [2] The effects of caffeine and the symptoms of anxiety both increase activity within the sympathetic nervous system.
Mast also said that people with anxiety disorders and heart conditions should limit their caffeine consumption due to the way that the stimulant can “increase anxiety, agitation, (and) blood ...
Caffeine can accumulate in individuals with severe liver disease, increasing its half-life. [195] A 2011 review found that increased caffeine intake was associated with a variation in two genes that increase the rate of caffeine catabolism. Subjects who had this mutation on both chromosomes consumed 40 mg more caffeine per day than others. [196]
Additionally, he said that people with autoimmune diseases might be more sensitive to caffeine, potentially experiencing increased fatigue, digestive issues (in irritable bowel conditions), or stress.
Caffeine dependence can cause a host of physiological effects if caffeine consumption is not maintained. Commonly known caffeine withdrawal symptoms include headaches, fatigue, loss of focus, lack of motivation, mood swings, nausea, insomnia, dizziness, cardiac issues, hypertension, anxiety, and backache and joint pain; these can range in severity from mild to severe. [18]
Drinking more than six cups of coffee a day was associated with a 53% increased risk of dementia, ... noting people who are sensitive to caffeine or have a sensitive stomach can experience problems.