In-depth

Caffeine content

How much caffeine is in that latte or soda you're sipping?

Fitness program

Starting a fitness program is easier than you might think. Follow these five steps.

Heart arrhythmias

Heart disease

Heart disease, usually thought of as blockages in the arteries that can cause a heart attack, can describe any medical condition affecting your heart.

Sodium

Getting too much sodium can raise your blood pressure and cause other health problems. See how to cut back on salt.

Tachycardia

Tachycardia, a rapid heart rate, is caused by an abnormality in your heart's electrical impulses. Tachycardia can cause serious complications, including sudden cardiac arrest.

May. 17, 2014