Coffee is the most popular beverage all over the world, the major effect of coffee is mainly obtained from its caffeine content which stays in our body for several hours after its intake.

Caffeine is a natural stimulant, so drinking coffee helps us to feel active and energetic. Also, it works on the brain to improve memory, concentration, mood as well as mental and emotional status.

On the same context, coffee beans is rich in many nutrients, such as; antioxidants, riboflavin, potassium and vitamin B. for this reason, dietitians recommend drinking coffee as it protects our body cells from damage.

Also, drinking coffee in regular basis is proved to decrease the risk of many serious health conditions, such as:

• Type II diabetes.
• Neurological disease, such as Alzheimer's disease & Parkinsonism.
• Liver disease, such as fatty liver & liver cirrhosis.
• Some types of cancerous lesions, such as liver cancer and colorectal cancer.
• Anxiety & depressive disorders.

On the other side, overconsumption of coffee may lead to:

• Dehydration: as coffee has a diuretic effect.
• Insomnia & sleep disorders: especially in cases of drinking coffee in late time of night.
• Gastritis & GIT symptoms.