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Side Effects of Black Coffee: 7 Health Risks to Know

Black coffee provides antioxidants but excess consumption can trigger anxiety, digestive problems, sleep disruption, increased heart rate, calcium loss affecting bones, mild dehydration, and caffeine dependency with withdrawal symptoms.

  • 12 May 2025
  • 3 min read
  • 8 views

Black coffee is simply coffee prepared without adding milk, cream, or sugar. It is one of the most consumed beverages worldwide to kickstart the day or get a quick energy boost. The dark-coloured drink has a bold flavour and is a source of vital antioxidants that fight cell-damaging free radicals. Many athletes are fond of the beverage as its caffeine improves their performance and endurance. Despite all the benefits, there are several disadvantages of drinking black coffee in excess.

Side effects of black coffee

The side effects of black coffee are:

  1. Anxiety and depression: Excess caffeine causes adrenaline release that can give rise to feelings of anxiety. In individuals sensitive to caffeine, it can even cause panic attacks.
  1. Digestive issues: Having black coffee on an empty stomach can cause acidity, indigestion, and heartburn.
  1. Disturbed sleep pattern: Drinking too much coffee can disrupt sleep patterns and lead to insomnia.
  1. Heart risk: Black coffee stimulates the central nervous system, leading to increased heart rate. Hence, people with pre-existing cardiac conditions should maintain moderate intake.
  1. Bone health: Drinking large amounts of black coffee has been linked to reduced calcium absorption. This can, over time, contribute to osteoporosis.
  1. Dehydration: Caffeine is a mild diuretic that increases urination. Drinking over four cups of coffee daily can lead to mild dehydration.
  1. Dependency: Regular use of coffee can lead to caffeine dependence. Once you stop the habit, it may lead to withdrawal symptoms, including headaches, depressed mood, fatigue, and irritability.

Conclusion

Although black coffee is an excellent addition to a healthy lifestyle, do not overindulge. Consult a healthcare provider to find the right dose for you. A proper lifestyle with a balanced diet will ensure your well-being. Having appropriate mediclaim insurance will provide financial protection in case of any health emergency. Opt for senior citizen health insurance if your parents are above 60 years. It covers preventive check-up facilities and medical expenses.

 


Disclaimer: The information provided in this blog is for educational and informational purposes only. It is not intended as a substitute for professional advice, diagnosis or treatment. Please consult a certified medical and/or nutrition professional for any questions. Relying on any information provided in this blog is solely at your own risk, and ICICI Lombard is not responsible for any effects or consequences resulting from the use of the information shared

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