2. At the beginning of 19th century the scientists Rundy and Mulder discovered caffeine which later explained the strengthening power of coffee.
3. Moderate caffeine has positive effects on the various systems- nervous, kidney, pulmonary and digestive.
4. Caffeine promotes digestion and affects the functions of lungs by adding the frequency of breathing movements. Caffeine influences the heart and the vessels as a tonic means. It also positively influences the sight.
5. Attention! The combination of milk and coffee can cause some digestive difficulties for some people. Coffee is useful for headaches.
6. No cancer causing ingredient has been found in the composition of coffee. It is only advisable not to abuse this drink and not to excess it more than 20 cups daily. Otherwise it can cause heart beatings, trembling of hands and insomnia.
7. Otherwise it can cause heart beatings, trembling of hands and insomnia. Healthy adult person can drink from 350 -500 mg. coffee daily.