The good and bad effects of coffee

Coffee is the favorite drink of many people around the world. Estimately, the global consumption is nearly 2.25 billion cups of coffee every day. We all know that coffee brings many health benefits, however, if consumed excessively, it can leave many negative impacts. Let’s find out the good and bad effects of this beverage!

coffee

Coffee is good for health

 Mental alertness: Drinking coffee and other caffeinated beverages can help increase alertness and the thinking activities will be more effective.

Reduce the risk of rectum cancer: Some studies showed that drinking more than 3 cups of coffee a day can significantly reduce the risk of rectum cancer.

Prevent Parkinson’s disease: There is evidence that drinking caffeinated beverages such as coffee, tea or cola can reduce the risk of Parkinson’s disease.

Prevent gallstones: Provide at least 400 mg of caffeine a day can reduce the risk of developing gallstones.

Prevent diabetes Type 2: Drinking coffee is proven to significantly reduce the risk of developing diabetes type 2. The study showed that Japanese who drank three cups of coffee per day reduced 42% the risk of developing the disease than those who drank only one cup or less.

Reduce gout: Coffee reduces the symptoms of gout by lowering uric acid levels in the blood. Drink 4 to 5 cups of coffee per day reduced the risk by 40%.

Unwanted effects of coffee – Coffee contains caffeine can cause insomnia and nervousness. Drinking lots of coffee will promote the increase in the production of stress hormone named cortisol, epinephrine and norepinephrine. These chemicals increase the heart beat, blood pressure as well as stress. Consuming caffeine can also increase blood pressure in people who already have high blood pressure.

– Many acids found in coffee can irritate the stomach and intestinal mucosa. Drinking coffee with an empty stomach may stimulate acid hypersecretion in the stomach. Moreover, coffee can irritate the lining of the small intestine, causing diarrhea and irritable bowel syndrome. – There are some concerns that drinking more than five cups of coffee a day may not be safe for people with heart disease. However, for those who do not have heart disease, drink a few cups a day does not seem to increase the risk of developing heart disease.

– Drinking coffee can increase the amount of calcium taken out through the urine. This can weaken the bones. If you suffer from osteoporosis, it is better to limit the consumption of less than 300 mg of caffeine per day ( about 2 to 3 cups of coffee).

 – Coffee may be safe for pregnant women to drink two cups a day or less. Nevertheless, drink more can increase the risk of miscarriage as well as premature birth.

+ Drink 1 or 2 cups of coffee a day is safe for breastfeeding mothers and babies, but caffeine in large amounts can cause gastrointestinal irritation, insomnia and uncomfortableness.

+ Coffee is not safe for children. Side effects associated with caffeine are often more severe in children than adults.

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