Harry T Harper MD

What is heart rate?The heart rate is the number of heartbeats that occur per minute. The normal heart rate depends from person-to-person. As people get older, the heart rate changes and pulse regularity may change, which can signify heart problems or other medical conditions. Your heart rate may...

Atrial fibrillation - also known as AF or a-fib - is a medical condition that affects the rhythm of the heart. Problems that affect the rhythm of the heart cause a condition known as arrhythmia. This condition often causes irregular blood flow. It is quite common, with more than 200,000 cases in the...

Results of a study presented in the Experimental Biology 2012 meeting in San Diego showed that coping with mental stress is harder on a  woman's heart, when compared to that of men. Researcher Chester Ray, PhD, professor of medicine, and cellular and molecular physiology at Penn State's College of...

IntroductionNicotine is an alkaloid stimulant that comes from the nightshade family of plants, particularly from the leaves of tobacco. The type of nicotine found in tobacco plants is called Nicotiana tabacum. Nicotine can also be synthetically produced. Thousands of chemicals are contained in...

Statins are a class of drugs that help to reduce the levels of cholesterol in blood by inhibiting the enzyme involved in the production of cholesterol in liver. It is one of the most commonly prescribed drug to lower cholesterol levels and to avoid complications like stroke and heart attacks....

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...