Beta blockers are a class of medications that work by blocking a type of cell receptor known as a beta receptor.

Experiencing heart palpitations while running can be scary, especially if the feeling is new to you or continues for several minutes. Heart palpitations while running or resting are rarely dangerous, and the cause can often be diagnosed by considering your lifestyle choices.

A heart attack occurs when the flow of blood, and therefore oxygen, to a portion of the heart becomes blocked.

Some people may eat fish for fish oil, or take fish oil supplements in order to maintain their health. Most of the benefits that fish oil offers come from its generous supply of omega-3 fatty acids, otherwise known as “good” fats.

Alka-Seltzer is an effervescent antacid and pain reliever used for temporary relief of heartburn, indigestion, sour stomach, headache and minor body aches and pains. High blood pressure, or HBP, is a condition of when the force exerted by blood on your arteries is high enough to cause damage.

Erection difficulties occur when a man is unable to obtain or keep an erection. Impotence, or erectile dysfunction, may have a variety of causes. High blood pressure, high cholesterol or diabetes are some of the health problems that can affect blood vessels that interfere with erections.

When you encounter a substance to which you are allergic, your body releases histamines, which stimulate an immune response. As a side effect of the immune response, you’ll get congested, start sneezing, experience a runny nose or develop hives.

As a dietary source of potassium, papaya may help lower your blood pressure. This tropical fruit -- grown in Hawaii, Florida, California, Mexico and Puerto Rico -- is rich in potassium, a mineral that counteracts the effects of sodium and helps you keep your blood pressure within a normal range.

High blood pressure medicine and exercise are both used to treat hypertension and are frequently prescribed together. Most people taking high blood pressure medication can safely exercise; in fact, this is usually recommended.

Heart flutter symptoms are caused by heart arrhythmias. Arrhythmias, or irregular heart rhythms, can make the heart beat too fast or too slow. Everyone may experience an arrhythmia at some point in life. Many times, people feel irregular heartbeats and describe the sensation as a fluttering in the chest.

High cholesterol puts you at risk for developing cardiovascular disease. Low blood pressure can somewhat offset this risk.

High blood pressure, also called hypertension, indicates a high level of pressure in the arteries. The heart has to pump blood more forcefully because there's plaque build-up narrowing the passageways. Certain foods raise blood pressure, while others help lower it over time.