Dr. Richard L Wang M.D.

What is pleurisy?Pleurisy is a condition, in which the lining that surrounds the lungs and the interior of the chest cavity is inflamed. Due to the inflammation of the pleura, this condition is also called as pleuritis. The pleural space is the space between the lungs and the chest cavity wall....

Inflammation of the meninges, the delicate membrane covering brain and spinal cord, is called as meningitis. There are different types of meningitis based on the cause of the disease. Some of these forms have very mild symptoms and may resolve on its own, while some other forms are serious and life...

What is DHEA?DHEA or dehydroepiandrosterone is considered as a prohormone, which is often associated with longevity, body strength, and lean muscle mass in an individual. DHEA is naturally created in the body and has a vital role in various metabolic functions. It is also known as one of the most...

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...

What is a vaccine?Vaccines are products that enable a person to develop immunity against certain diseases. A vaccine can be given through needle injections, by aerosol, or by mouth. The polio vaccine is given in the form of mouth drops that contain live but weakened organisms. The vaccine gets into...

IntroductionThe most common type of yeast infection in the skin is candidiasis, which is caused by Candida species. There are more than 20 Candida species that exist, and the most common among them is Candida albicans. These fungi may also occasionally cause infections. Below are some of the...