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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]
The signs and symptoms are divided into one group that can appear after an intake of as little as 100 mg of caffeine (roughly the amount contained in a cup of brewed coffee) and another group of symptoms that appear at higher levels of intake (more than 1 g per day). Low-dose symptoms include restlessness, nervousness, excitement, insomnia,
However, she offers advice on minimizing the negative side effects of coffee: "Choose decaf or a coffee with a lower caffeine amount especially earlier in the day to avoid missing out on evening ...
Drinking coffee every day isn’t inherently bad, but Chester Wu, M.D., a psychiatrist and sleep specialist in Texas, says that coffee does have an impact on your health depending on how much you ...
Researchers found that drinking around three cups of coffee a day was associated with an extra 1.8 years of life, with regular cups also being associated with increased health span (time spent ...
Persistence and continuation of symptoms beyond the initial consumption of caffeine suggest an alternate diagnosis that would better explain the long-lasting symptoms. Anxiety symptoms caused by caffeine are often mistaken for serious mental disorders including bipolar disorder and schizophrenia, leaving patients medicated for the wrong issue. [6]
Researchers set out to see if the time of day you drink coffee has any impact on heart health using information from over 40,000 adults who were surveyed about their consumption habits between ...