![]() ![]() Cessation leads to withdrawal symptoms, including “headache, fatigue, difficulty concentrating, and dysphoric mood.” The latest edition of the Diagnostic and Statistical Manual of Mental Disorders, which provides guidelines for American psychiatrists, states that “caffeine use disorder” merits “further study.” Regular consumption leads to tolerance, meaning that larger doses are required to achieve positive effects. Some medical authorities, notably the World Health Organization, list caffeine as an addictive substance. population consumes alcohol at least once a month.) The average daily dose of caffeine is 200 milligrams, roughly what you get from two cups of coffee or five caffeinated soft drinks. Nine out of ten adult Americans consume it on a regular basis. Caffeine is the most widely used drug in the world. In this column I’ll describe the results of my experiment and offer observations on caffeine.įirst, some background information, culled from “ Caffeine Use Disorder: A Comprehensive Review and Research Agenda,” an excellent article by behavioral scientist Roland Griffiths and others. My experiment began last May when I consumed the psychedelic tea ayahuasca, for which you are supposed be caffeine-free, and it continued throughout the summer. My average daily intake of six or seven cups of strong brewed coffee was causing problems. I have been ingesting caffeine, mostly in the form of coffee, since my mid-twenties. I recently carried out an experiment involving my decades-long caffeine consumption. ![]()
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February 2023
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