If your resting heart rate is high, it might be a risk factor for a sudden heart attack. Read up about the study, and find out how to reduce your risks.

Feel like your heart skipped a beat or that your heart is racing? Abnormal resting heart rates can be a cause for concern. Learn about arrhythmias and watch a video about hi-tech heart monitors here.

A lowered heart rate variability might explain the higher fatality rates in heart attack survivors who are also depressed. Study finds that anti-depressants and omega-3 supplements could help.

Your resting heart rate might be affected by cold, asthma or depression medications. This site has a partial list of medications that could effect your heart rate.

This basic look at how to measure your resting heart rate written is written, well, for dummies! Read this excerpt from "Workouts for Dummies" to find out the right method.

Apart from resting heart rates, what other heart rates are useful to know? What is the best target heart range for exercising? Get to know the basics here.

...about your resting heart rate. Learn more about this important number, including how to measure it and how to lower it.

Latest Hollywood party? No, these are all substances that can affect your normal heart rate. Get the scoop here.

Informative and kid-friendly article on the heart includes what happens during a heartbeat, how to measure your heart rate and more.

Can a drug that only lowers the normal heart rate reduce the risk of cardiovascular disease? Lower resting heart rates are generally associated with better outcomes for cardiac patients.

The lower your resting heart rate, the better your fitness level. Find out how exercise makes your heart more efficient.