Dr. John Z Wang M.D., PH.D.

Kidney stones are a condition that affects around 15 percent of the world's population. For reasons unknown, the condition's prevalence has increased over the last 30 years. Kidney stones more often affect men than women. What are kidney stones?Kidney stones or renal lithiasis is the formation of...

Diaphragmatic breathing, belly breathing, or abdominal breathing is a popular breathing technique. Breathing, according to this technique, is not only a need but a skill to make life more enjoyable. It is a way to bring in maximum benefits from any physical activity. The movement of the abdomen...

What is prolactin?Prolactin or luteotropic hormone (LTH) is a peptide hormone, which promotes milk secretion in female mammals. This hormone also plays a significant role in pancreatic development, immune system regulation, and metabolism. When women become pregnant, their prolactin levels increase...

Blisters can occur for numerous reasons. Although they are not often serious, the appearance of blisters itself can be very off-putting. A blister is a fluid-filled bubble that develops under the skin. The watery liquid under the blister is often clear, which is called serum.When blisters break, the...

What is gout in knee?Gout in knee is an inflammatory condition that causes swelling and pain in the knee joints. In the US, approximately 1-2 people in every 100 suffer from gout. Men are more likely to be affected by this condition than women with a peak-incidence age of 75. There are recurrent...

Mono or mononucleosis, is a viral infection caused by the Epstein-Barr virus. This infection is also known as the "kissing disease". This condition is very common among teenagers and adults. Mono may persist for weeks and months together, but resolves on its own without any particular treatment....