A cup of coffee might actually benefit some people with a common heart rhythm disorder, a new study says.

Adults with atrial fibrillation who drank a daily cup of coffee were 39% less likely to have an episode of irregular heart rhythm, compared to those who a...

When it comes to pregnancy and caffeinated drinks, less is best, says an expert, warning women to avoid energy drinks in particular.

"Energy drinks contain varying amounts of caffeine, so check nutrition labels to understand how much caffeine and other ingredients they contain,"Dr. David Nelson