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Caffeine-induced anxiety disorder is a subclass of the DSM-5 diagnosis of substance/medication-induced anxiety disorder. The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, or DSM-5, is the current authority for psychiatric diagnosis in the United States.
These symptoms including nervousness, irritability, restlessness, insomnia, headaches, and palpitations after caffeine use. [4] Caffeinism usually occurs when consumption of caffeine reaches 1–1.5 grams (0.035–0.053 oz) per day. [5] For reference, a brewed 8oz (227ml) cup of coffee contains ~95 mg of caffeine (per USDA). [6]
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]
Mice are naturally drawn to the dark but entering the dark box would cause them to receive an electric shock. Caffeine was given before the task in doses ranging from 11.55 mg/kg to 92.4 mg/kg (the human equivalent of between 4 and 28, 8 oz cups of coffee).
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.
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Depression is usually a response to life events such as relationship issues, financial problems, physical illness, bereavement, etc. Some people can become depressed for no obvious reason and their suffering is just as real as those reacting from life events. Psychological makeup can also play a role in vulnerability to depression.
The most known example for context anxiety is public speaking; almost 70% of students have a certain level of communication apprehension triggered by public speaking. [6] There are other contexts that can create a similar response such as speaking in front of class, small group discussions, or meetings. [5]