RIVANSHI RAKHRAI
The most common side effect is due to caffeine. Too much caffeine can lead to anxiety, restlessness, insomnia, headaches, and a rapid heartbeat.
Black coffee is acidic, which can irritate your stomach and lead to heartburn, indigestion, and constipation, especially for people with sensitive digestive systems.
Coffee can interfere with your body's absorption of certain minerals, like iron, calcium, and zinc, if consumed in excess.
Caffeine is a diuretic, which means it increases urine production. This can lead to frequent urination and dehydration if you're not careful to drink enough fluids
Regular coffee drinkers can experience headaches, fatigue, and irritability when they cut back on their intake.
Avoid drinking coffee too close to bedtime, as it can interfere with sleep.