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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.
Both doctors say that having a sugar-sweetened coffee every day can have detrimental health effects. “Added sugar has low nutritional value and can cause a lot of health problems.
Drinking more than four cups of caffeinated coffee in a day was associated with a lower risk for head and neck cancer, oral cavity cancer, and oropharyngeal cancers compared to not drinking coffee.
"Coffee does have negative side effects and should be avoided or limited in those with palpitations, abnormal heart rhythms and high blood pressure," he told Fox News Digital.
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]
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 ...
It is found in coffee, tea, caffeinated alcoholic drinks, cocoa, chocolate, soft drinks, especially cola, and is an important component of energy drinks and other dietary supplements. [ 1 ] Caffeine is also an ingredient of several medications, many of them over-the-counter and prescription drugs.
Excessive coffee consumption, generally above four to six cups per day, may increase the risk of side effects such as anxiety, restlessness, insomnia, and gastrointestinal discomfort, he explains.