John Randolph Lewis M.D.

Recommended Articles

• Professional Teeth Cleanings Can Reduce the Risk of Heart Disease

  Getting the teeth cleaned by a professional may not only give you a healthy and sparkling smile but also a healthier heart, according to a new study. In this study, people who regularly got their teeth cleaned and scaled by a dentist had a 24% less chance of getting heart disease, when compared to...

• Can Fatty Fish Reduce Your Risk of Heart Disease?

  A recent study has shown that young women may benefit by having fatty fish, as it provides protection against heart disease and stroke. According to researcher Marin Strom, PhD, Statens Serum Institut in Copenhagen, Denmark, even a modest intake of fishes that provide omega-3 fatty acids provide...

• What are The Signs and Symptoms of Atrial Fibrillation?

  What are The Signs and Symptoms of Atrial Fibrillation?Atrial fibrillation also called A-Fib is a condition of the heart which causes irregular heartbeats or arrhythmia. It causes abnormal vibrations in the atria chamber of the heart and also the ventricle chamber. In a healthy human heart, the...

• Heart Palpitations: When Is It a Sign of Something Serious?

  Heart palpitations, although it feels like a scary experience, are not always a sign of something serious. These palpitations are harmless but there are some instances when it could be a signal to a serious heart disease, especially if it is associated with other symptoms. This article explains...

• What Are the Best Ways to Lower Blood Pressure?

  Blood pressure above 140/90 mm Hg is considered hypertension, and is one of the most prevalent and preventable conditions. High blood pressure is one of the causes of about 15% of deaths in the country, and also increases the risk of heart attack and stroke. Not to mention the risks of aneurysms,...

• The Human Heart: Function, Chambers, and Location

  IntroductionThe human heart is a part of the cardiovascular system that is situated in the middle of the chest between the lungs. Its exact location is slightly positioned to the left and behind the sternum (breastbone). The size of the heart is approximately the size of your fist. Its function...