We all know that coffee is natural, it is known a rich potent antioxidants such as chlorogenic acid. Coffee is found to contains small amount of essential nutrients like thiamine, riboflavin, pantothenic acid, calcium, phosphorus, magnesium, potasium and manganese. It's low calories, protects nerves and supports nerves activity, increasing alertness and positively alters mood. Besides, there are a lot of side effects, disadvantages that make your health worse if you use it too much and in a long time. You probably consider whether continuing using coffee or stopping consuming it after reading our reasons below :

1. Increase insomnia, anxiety and depression risks

The caffein in coffee is a powerful brain stimulant, which may be a good thing only if you want to increase alertness in the morning. if you are already having sleeping problem, drinking coffee will only worsen them, causing insomnia, disturb sleep and frustration. Moreover, the beloved of brew is not recommended for anxiety suffers or people already deal with depression. The caffein in coffee is a powerful brain stimulant, it allows anxiety symptoms to be magnified as a result of increased brain activity. 

2. Reduce fertility

According to preliminary research, caffein can prevent the full development of egg cells, making them unfit for producing a pregnancy. Statistics suggests that woman looking to conceive but consume five or more cups of coffee a day have an up to 50% lower chance of conceiving, hence, they are recommended by experts to limit caffein intake to 50 - 100mg a day. 

3. Increase hypertension and heart attack incidence

While most studies regarding the effects of coffee consumption on cardiovascular health deny any link between coffee drinking and heart problems. It has been demonstrated that certain compounds in coffee actually raise blood pressure. Therefore, while healthy people can drink coffee in moderation without having to worry about hypertension, heart disease sufferers are advised to avoid it because it will raise their already high blood pressure to dangerous level, even increasing the risk of cardiovascular disease. 

4. Affect nutrient absorption

One of the most notable examples is coffee's effect on calcium absorption. Coffee essentially interferes with your body's ability to absorb calcium, preventing it from reaching your bones. Excessive caffeine intake can lead to bone thinning and osteoporosis. (For those taking green coffee bean supplements, this is also one of the green coffee bean extract side effects…)

5. Increase acid production.

Specifically hydrochloric and gastric acids. Both of these acids are necessary to break down the cooking in your stomach. However, too much acid can cause problems in your stomach. The acid can eat into the stomach lining (causing ulcers), or it may increase your risk of acid reflux. This is even more of a problem if you drink coffee first thing in the morning, when there is no food in your stomach to mitigate the effects of the acid.