People who suffer from high blood pressure should avoid drinking it, since it raises the blood pressure. Two-three cups of coffee is not harmful, but don't become coffee-addict.
Exceeded consumption of coffee generates nervousness and sleeplessness. Therefore you rather should avoid coffee in evenings. There are people who sleep better after a cup of coffee, though.
You probably mentioned that coffee lovers normally don't have white teeth. Coffee's substances leave a yellow layer on teeth. Fortunately it doesn't cause gum.
What do you think about coffee?
