Coffee and Health

Most modern people start daily life with drinking a cup of coffee. Many people would also finish their daily work with coffee. As such, coffee drinking is an important part of daily life these days. It has been told that coffee is a driving force for human to develop science, because it has an alerting effect on human brain. However, some people with experience of feeling irregular heartbeat or headache are reluctant to drink coffee, which suggests individual variation to coffee intolerance.