A cardiologist discusses whether drinking coffee is safe if you have high blood pressure, and whether there is a limit to how much you should consume.

Yes, coffee can raise your blood pressure temporarily. There are also some factors that determine this increase, like your caffeine tolerance. Here’s what you need to know.

We tested the levels of caffeine and contaminants in brews from Dunkin', Folgers, Starbucks, and more. Some will wake you ...

Caffeine usually reaches peak levels in your blood about one hour after you drink it. Though this can vary from person to person, the effects of caffeine are typically noticeable for four to six hours ...

Dr. Wylie-Rosett answers the question: 'Caffeine And High Blood Pressure?' — -- Question:Can caffeine be harmful and should I give it up if I have high blood pressure? Answer: Drinking a modest ...