Harold Z Friedman MD

What is cholesterol?Cholesterol is primarily produced in the liver, which makes approximately 1,000 milligrams of cholesterol per day. However, it can also be produced by the cells lining the small intestines and also by each cell present in the body. Abnormally low cholesterol levels would mean...

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...

Too Much Sitting May Increase the Chance of Dying “Spending too much time sitting may increase the odds of dying due to any cause”, says a new study published in the Archives of Internal Medicine. The chances of dying from any cause increases by as much as 40% in people who spend a lot of time...

Modern day lifestyle does come with the risk of certain disease that is a result of everyday stress, poor eating habits, lack of exercise, and so on. While we are all aware of these diseases, we fail to take timely steps to prevent them from happening to us, and, by the time these strike, it is...

Ischemia refers to the condition in which the muscles of the heart do not get an adequate supply of oxygen. This mostly happens because of reduced blood flow to the cardiac muscles either due to complete blockages or due to a partial block in the blood vessels that carry blood. This condition, also...

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...