Plaque is a substance made up of fat, cholesterol and calcium that builds up in the coronary arteries that supply the heart with oxygen-rich blood, according to the National Heart, Blood and Lung Institute.

Feeling your heart palpitate can be a frightening experience. If your heart begins to palpitate after you've eaten a food that contains gluten, you may be having an allergic reaction to the gluten. Unlike mild allergy symptoms, heart palpitations are a sign of a serious complication called anaphylaxis.

Chest pain, with or without burping, can be caused by many factors, ranging from indigestion or a pulled muscle to serious events like cardiac arrest.

Saunas have long been used for relaxation, weight loss and stress relief. Saunas have been shown to lower blood pressure, at least temporarily. Most medical experts say that sauna use is not injurious to people with normal blood pressure.

Blood sugar and blood pressure are both tightly regulated to stay within an optimal range in the body. Chronically low blood pressure or blood sugar can have adverse effects such as fatigue, while chronically high blood pressure and sugar can lead to heart disease and diabetes, respectively.

Rutin, a type of bioflavonoid, is found in black tea, buckwheat bran, many citrus fruits and even apple skins, and is also available as a supplement in capsule or tablet form.

With congestive heart failure -- commonly referred to as simply heart failure -- your heart cannot adequately pump blood throughout your body. More than 2.5 million women in the United States have heart failure, according to 2015 American Heart Association statistics.

Unusual leg heaviness can occur suddenly while you are climbing up stairs, making it virtually impossible to continue to the top. Because heaviness in the legs can sometimes signal a serious medical condition, understand why it occurs and how it can be treated.

Creatine supplementation is popular among people wanting to increase muscle mass, with Americans spending an estimated $14 million on the supplement annually. (Reference 2) Creatine is safe and beneficial for you to use if you have naturally low creatine levels in your body. One example is if you are a vegetarian.

A rapid heart beat, medically known as tachycardia, may arise for many different reasons. The heart normally beats between 60 and 100 times per minute, and a heart rate greater than 100 beats per minute defines tachycardia.

Lasix -- or furosemide -- is a type of loop diuretic prescription drug used to treat many conditions such as high blood pressure, fluid retention, kidney or liver disease, or other medical conditions.

High blood pressure, also known as hypertension, occurs when blood moves through vessels at a higher pressure than normal. In pregnancy, high blood pressure is often called preeclampsia.