What Are The Negative Effects of Coffee?


Over 80 percent of the adults in the United States drink coffee. For many people that first jolt of caffeine is what they look forward to each morning.

Consuming too much coffee may have negative effects on your health..

If you consume an excess of caffeine you may have restless nights with trouble sleeping and you may have feelings of anxiety.

Caffeine may increase your energy, but it can also cause an elevation in your blood pressure.

Some coffee drinkers with cholesterol problems may develop an increase in their LDL cholesterol levels.

Coffee acts as a diuretic and frequent coffee drinkers may be at risk for dehydration.

The caffeine and acids found in coffee beans may contribute to digestive problems. These substances can irritate the lining of your small intestines and your stomach. Irritating the stomach and small intestines may contribute to ulcers, irritable bowel syndrome, stomach cramps and spasms, diarrhea or constipation.

Coffee can relax the lower esophageal muscle allowing the stomach contents to come back into the esophagus burning its lining with hydrochloric acid. This problem is heartburn or acid reflux.



Many people who are constipated will drink coffee as a laxative. Since the coffee promotes gastric emptying some nutrients are lost when the stomach is emptied before the food has been properly digested.

If you drink a lot of coffee this will lead to the release of stress hormones which may increase your heart rate and tension levels.

Some coffee beans are roasted at high temperatures resulting in release of a cancer causing substance known as acrylamide to form. The darker the roast the higher the chemicals. In fact, coffee is one of the most pesticide intensive crops in the world. If you are a heavy coffee drinker you may want to consider drinking organic coffee.

Since caffeine can increase blood sugar levels, those with type 2 diabetes may find it harder to control their blood sugar levels.

Coffee may contribute to some bone loss in women who are postmenopausal.

If you are accustomed to drinking coffee and suddenly stop you may go into caffeine withdrawal. Some signs of caffeine withdrawal include fatigue, headaches, anxiety and depression. These symptoms will go away as soon as you drink a cup of coffee. If your aim is to stop drinking coffee with caffeine entirely it may take a couple of days for the withdrawal symptoms to go away.

If you are having any of the problems associated with drinking coffee you might want to consider cutting down on your daily consumption of the caffeine.