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The health effects of coffee include various possible health benefits and health risks. [1]A 2017 umbrella review of meta-analyses found that drinking coffee is generally safe within usual levels of intake and is more likely to improve health outcomes than to cause harm at doses of 3 or 4 cups of coffee daily.
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]
Caffeine's widespread appeal is due primarily to its mild psychostimulant properties, which increase alertness and cognitive arousal and diminish fatigue. [10] Caffeine also produces a wide range of other symptoms, including upregulation of the cardiovascular system, increased global cognitive processing, and improved physical functioning.
Fluvoxamine, sold under the brand name Luvox among others, is an antidepressant of the selective serotonin reuptake inhibitor (SSRI) class. [8] It is primarily used to treat major depressive disorder and, perhaps more-especially, obsessive–compulsive disorder (OCD), [9] but is also used to treat anxiety disorders [10] such as panic disorder, social anxiety disorder, and post-traumatic stress ...
Caffeine-induced psychosis is a relatively rare phenomenon that can occur in otherwise healthy people. Overuse of caffeine may also worsen psychosis in people suffering from schizophrenia. [1] It is characterized by psychotic symptoms such as delusions, paranoia, and hallucinations.
"In the 60s, the skin tends to become drier, thinner and more delicate due to decreased natural oil production and a decline in collagen and elastin," said Dr. Hannah Kopelman, host of the podcast ...
Caffeine is believed by many to cause paradoxical calmness or sedation in individuals with ADHD. [20] There is insufficient evidence to determine if sedation caused by caffeine is due to a true paradoxical reaction, or rather from dehydration and sleep deprivation caused by the caffeine. [21]
DMPX (3,7-dimethyl-1-propargylxanthine) is a caffeine analog which displays affinity for A 2 adenosine receptors, in contrast to the A 1 subtype receptors. [1] DMPX had 28 times and 15 times higher potency than caffeine in blocking, respectively, the peripheral and central effects of the adenosine agonist NECA.