Proper breathing during your run can help increase your endurance and provide your muscles with the oxygenated blood they need to sustain your run. As you run, you naturally begin breathing more heavily to supply your lungs with more oxygen.

Calcium is the most abundant mineral found in bone. Only a small percentage of total body calcium is found in blood. Blood calcium plays a major role in the regulation of heart rate and rhythm, because it is involved in the generation and transmission of current from the pacemakers to the heart muscle.

The heart is the primary organ responsible for oxygen delivery to the tissues. The heart is automatic by nature, because it can receive and pump blood without outside influences. For the heart to function adequately, it requires sufficient levels of various electrolytes, including potassium.

Chinese food is one of the most common foods that you will find the use of MSG, or monosodium glutamate. MSG is a chemical additive that enhances the flavor of foods. It is also commonly found in canned vegetables, canned fruits and TV dinners.

Cycling is a sport that relies on repetitive movements. Each leg rotates thousands of times during a bike ride. Because of this repetition, it's important to pay close attention to how well your bicycle fits your body.

Vitamin B-12, or cobalamin, is needed to maintain adequate function of the nervous system and also for the productions of red blood cells or cells of the blood that carry oxygen.

Whether you exercise with the intention of burning fat or gaining muscle, it's impossible to overlook the benefits of exercise on your heart. When you strengthen your heart by exercising, you improve the health of this organ and limit your risk of heart disease.

Daily exercise has the power to strengthen your heart, manage your weight and elevate your mood. Unfortunately, if the American overweight and obesity rate of 60 percent is any indication, the vast majority of people aren't getting the exercise they need in order to stay healthy.

There are many factors to consider when trying to reduce your risk of heart disease. It is important to keep your cholesterol levels and blood pressure under control, but both can be high without ever causing any symptoms, so it is important to get tested often.

The number of times your heart beats in one minute can tell a physician a lot about your health, including cardiovascular functioning, presence of infections and a snapshot of your overall fitness level.

In the same way that everybody's heart rate is different, everybody's recovery is also different. Athletes will return to their base heart rate in just a few minutes, while people who haven't exercised in a long time might take two or three times longer.

Your resting heart rate is the number of times your heart beats in one minute when you are at rest. If you have an arrhythmia, a disorder of your heart rate or rhythm, you may experience tachycardia, notes the National Center for Biotechnology Information, or a heart that beats too quickly.