It seems rarely heard of Indonesian people who do not like coffee. However, in fact many coffee shops are mushrooming in almost every coffee, from coffee shops to elite cafes that sell various kinds.

As a popular drink in the world, coffee that contains caffeine turns out to have negative and positive side effects on health.

Coffee Side Effects

Some of the positive and negative side effects of coffee include:

1. Positive effects of coffee

Coffee can reduce the risk of Alzheimer's disease. Coffee can reduce the risk of developing Parkinson's disease. Coffee can help improve human short-term memory. This is mainly due to the caffeine they contain reacts chemically to stimulate and help us to capture and focus on better received information for a short period of time. Coffee can help relieve headaches. The caffeine content can help increase the effects of drugs that serve to temporarily relieve pain such as aspirin, midol and excedrin. Many of the headaches and migraines contain small amounts of caffeine. Coffee is an effective antioxidant. Coffee is a good diuretic. Drinking coffee makes people urinate more often. This is good for helping the body get rid of all substances or ingredients that are no longer needed by the body. Coffee also helps reduce the risk of getting kidney stones.

***Alzheimer's disease is the name alz-zhai-me, is a complex and progressive type of neurodefunction.
Alzheimer's disease is not a type of infectious disease. Alzheimer's disease is a condition in which a person's memory deteriorates sharply so that the person is unable to take care of himself. ****

***Parkinson's disease (paralysis agitans) is a neurological degenerative disease first discovered in 1817 (An Essay on the Shaking Palsy) by Dr. James Parkinson. Antioxidants are substances that the body needs to neutralize free radicals and prevent damage caused by free radicals to normal cells, proteins and fats. ***

Antioxidants stabilize free radicals by complementing the lack of electrons possessed by free radicals, and inhibiting the occurrence of chain reactions from the formation of free radicals that can cause oxidative stress.

*There are several forms of antioxidants, including vitamins, minerals, and phytochemicals. Various types of antioxidants work together to protect normal cells and neutralize free radicals.(

2. Negative effects of coffee

Here are the negative effects of drinking coffee for health:

1. Damaging teeth

Coffee causes tartar and teeth to turn yellow when consumed in excessive amounts.

2. Causes incontinence

Caffeine can cause incontinence - can't control urination. A study at the University of Alabama showed that women who consumed a lot of caffeine were 70% more likely to experience incontinence.

3. Insomnis

Caffeine can cause insomnia. Caffeine in a person's system during sleep can cause insomnia symptoms.

4. Disturb digestion

The effect of drinking coffee can cause digestive disorders. People who consume caffeinated beverages often feel abdominal pain or indigestion. This is especially true when drinks are consumed on an empty stomach.

5. Headaches

Caffeine can cause headaches. While occasional caffeine doses can relieve symptoms of headaches, excessive use of caffeine can cause headaches and cause migraines.

6. Fertility problems

Caffeine can reduce fertility in women. A study from The University of Nevada School of Medicine shows that caffeine can reduce a woman's chances of getting pregnant by about 27%.

7. Risk of miscarriage

((Dangers of drinking coffee for women at risk of miscarriage. In a recent study, consuming at least two caffeinated drinks a day for weeks before conception slightly increased the risk of miscarriage.**

8. At risk for people with diabetes

((Caffeine may not be healthy for people with type 2 diabetes. A study conducted by the American Diabetes Association shows that caffeine damages glucose metabolism in those with type 2 diabetes.**

9. Heart disorders

((Drinking coffee causes a stronger heart contraction. A study shows that after drinking caffeine, the heart produces more strong contractions. It is not clear whether this has long-term health implications except for those with known health conditions.**