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Postural orthostatic tachycardia syndrome (POTS) is a condition characterized by an abnormally large increase in heart rate upon sitting up or standing. [1] POTS is a disorder of the autonomic nervous system that can lead to a variety of symptoms, [10] including lightheadedness, brain fog, blurred vision, weakness, fatigue, headaches, heart palpitations, exercise intolerance, nausea ...
Caffeine may also reduce appetite and lower depression risk. But that’s mostly true of people who consume caffeine in moderation. Others may suffer from jitteriness, insomnia, and coffee’s ...
And that’s a problem, because British caffeine habits have become regrettably coffee-fied in recent years. Traditional cafes where once you’d be charged pocket change for a pot of tea have ...
What are the side effects of too much caffeine? In fact, it can exacerbate existing conditions. “Too much caffeine can cause issues with sleep , dehydration, and more,” says Pelitera.
There is no standard value for "a cup of coffee." The caffeine content of cola drinks and most energy drinks can be difficult to determine, because in many cases the labels do not indicate the dose per serving. Caffeine doses in these beverages range from 20 to 30 mg in some soft drinks, up to 350 mg or more in some energy drinks.
A lot of antipsychotic medications contain ingredients that make the mouth more prone to dryness, which would also increase the amount of coffee (containing caffeine) one may uptake. "Caffeine use can cause restlessness, nervousness, insomnia, rambling speech, and agitation" [ 10 ] worsening the symptoms of schizophrenia.
Caffeine is a bitter substance found in more than 60 plants, including coffee beans, tea leaves, kola nuts (which are used to flavor colas) and cacao pods (which are used to make chocolate ...
The researchers compared people who did not consume any caffeine or who drank less than 100 milligrams (mg) per day with people who drank about 200 to 300 mg of caffeine a day, or the equivalent ...