There are some benefits and coffee that not many people are aware of. Coffee reduces the risk of heart disease and drinking four cups a day may help reduce the risk of colorectal cancer. It also reduces the risk of Alzheimer’s and Parkinson’s disease. Although the disadvantages should not be ignored either. Upto four cups of coffee in the morning raises stress hormone levels and blood pressure. More than five cups a day can lead to miscarriage or risk of bladder cancer. That is why its best to drink coffee in moderation and enjoy a hot cup only at night.