David G. Rizik MD

What is muscular dystrophy?Muscular dystrophy is a group of disorders that cause skeletal muscle degeneration, decreased flexibility, and progressive weakness. In muscular dystrophy, the abnormal mutation of genes interferes with the production of proteins, which are needed for healthy muscle...

What is muscular dystrophy?Muscular dystrophy is an inherited disorder, which is often characterized by a progressive type of muscular degeneration and weakness. There are several types of muscular dystrophy, wherein each type eventually leads to an increased disability, strength loss, and potential...

Deep vein thrombosis, or DVT, is characterized by the formation of clots, or thrombus, in one or more of deep veins in the body. Clots may develop in different parts of the body, like arms or chest, but are more commonly seen in the legs. DVT is a serious condition as the blood clot may move to...

OrthopneaOrthopnea is a condition that causes breathing difficulties when an individual is lying down. It usually happens at night when the person is going to sleep. People with orthopnea usually experience tightness in the chest and being oxygen-deficit. The shortness of breath is due to lying down...

Researchers have found that obstructive sleep apnea (OSA) is linked to cardiometabolic dysfunction. The study, seen in the Journal of Clinical Endocrinology and Metabolism, attempts to provide an explanation as to why sleep apnea patients often have problems associated with their heart.  Up until...

Intensive treatment of gum diseases may help blood vessels and gums, reports a study published in, The New England Journal of Medicine. The study was conducted on 120 people who had severe gum disease, or peridontitis. In this condition, the gum line recedes and teeth loosens as the support is...