A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a health condition.
What you eat makes a difference to your heart. A heart-healthy eating plan emphasizes vegetables, fruits, and whole grains, includes fat-free or low-fat dairy products, and limits foods high in saturated fat and sugar-sweetened beverages and sweets. Use the guide below to determine how much you should eat from each food group.
Learn more about the symptoms and treatment of this heart rhythm disorder, which causes a rapid heart rate.
How the Heart Works - What the Heart Looks Like | NHLBI, NIH
Your heartbeat is the contraction of your heart to pump blood to your lungs and the rest of your body. Your heart's electrical system determines how fast your heart beats.
How the Heart Works - How the Heart Beats | NHLBI, NIH
The heart is an organ about the size of your fist that pumps blood through your body. It is made up of multiple layers of tissue. Your heart is at the center of your circulatory system. This system is a network of blood vessels, such as arteries, veins, and capillaries, that carries blood to and from all areas of your body. Your blood carries the oxygen and nutrients that your organs need to ...
Heart and vascular, or cardiovascular, diseases include conditions such as arrhythmias, coronary heart disease, heart attack, high blood pressure, congenital heart defects, vascular dementia, and stroke. The National Heart, Lung, and Blood Institute (NHLBI) supports research on the causes, diagnosis, treatment, and prevention of heart and vascular diseases, and the interplay of these diseases ...