Scott Hosung Yang MD

What is a persistent cough?It can be annoying to have a cough that lasts for more than a couple of weeks. A cough is considered chronic or persistent if it does not go away after four weeks in children and eight weeks in adults. However, most persistent coughs are due to colds, flu, infection, or...

SymptomsThe affected person may exhibit one or more of the following symptoms. Symptoms are not always consistent, as they may flare up or disappear at any time. ...

Angina pectoris is a symptom of a coronary artery disease which causes chest pain due to less blood flow to the heart muscle. Angina pectoris is also known as angina, and this problem can be a recurring issue or a sudden acute issue. Angina pectoris can be defined as pressure, stiffness, tightness...

OverviewDyspnea is the clinical term for shortness of breath or breathlessness experienced by both healthy individuals and patients with respiratory or cardiovascular diseases. It can also be a temporary condition that quickly resolves on its own or a symptom of a more serious health condition. A...

What is sarcoidosis?Sarcoidosis is an inflammatory disease, which is characterized by the growth of granulomas or tiny collections of inflammatory cells in various parts of the body. When the immune system is slowed down and when these numerous clumps form, they tend to interfere with the organ’s...

A new study published in the journal, Hypertension, shows that a child who is overweight is at risk of high blood pressure, three times more than an average weight child. In this study 1,111 children were followed up for an average of four years. Height weight and blood pressure of the...