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However, caffeine, particularly when it’s overused, can cause unwanted side effects like “insomnia, digestive problems, increased blood pressure and faster heart rates,” Vuppuluri says.
You can even have caffeine withdrawal. Symptoms can be similar to those of withdrawal from other mood-altering substances, including headaches, fatigue or drowsiness, depressed mood, irritability ...
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]
A growing chorus of concerned former caffeine “addicts” are trying to wake people up to the substance’s negative effects. A growing chorus of concerned former caffeine “addicts” are ...
[52] [97] Caffeine can have negative effects on anxiety disorders. [98] According to a 2011 literature review, caffeine use may induce anxiety and panic disorders in people with Parkinson's disease. [99] At high doses, typically greater than 300 mg, caffeine can both cause and worsen anxiety. [100]
On the one hand, caffeine effects appear to be detrimental to short-term memory, working memory included, whereas the effects are somewhat positive for memory over the long term (for example, remembering something better many days later if caffeine was ingested during encoding as well as retrieval, as opposed to no caffeine [7]). Many of the ...
Heart disease is the leading cause of death in the U.S. Some research has shown that drinking 3 to 5 cups of coffee per day may reduce the risk of this potentially devastating disease by 15% among ...
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.