Dr. John Young Kwan DDS

Drug interactionWhen a substance affects the effectiveness of another drug due to their combined use, it is known as a drug interaction. The interaction can be either an increase or decrease in the effect of the drug, or it may cause an entirely new effect. Generally, interaction takes place between...

It is natural to have some kind of emotional distress, anxiety, and sadness when diagnosed with Parkinson’s disease. But SAD is not just about being sad, it is being anxious and fearful of participating in social activities. SAD is an abbreviation for social anxiety disorder also known as social...

Hemorrhoids result from the application of pressure in the anus and rectum.Hemorrhoids can be either internal or external, depending on their location. Internal hemorrhoids are located deep in the rectum, far from where anyone can observe. Internal hemorrhoids may go undetected or even be...

What are heart palpitations?Heart palpitations are when you start feeling your own heart beating. You will feel as if your heart is beating too fast, slow, forcefully, or irregularly. You will feel as if you missed a beat. The frequency and severity of heart palpitations will vary from one person to...

Most people experience acne at one point in their life. It’s very common in teens, but even older adults can encounter a breakout, especially during pregnancy. Excess oil, dead skin cells, and dirt on your skin’s surface clog the pores creating pimples or tiny localized infections. Acne...

Many diseases interact with rheumatoid arthritis, causing concern for patients and their families. Common diseases that have high comorbidity rates with rheumatoid arthritis are other autoimmune disorders. Lupus is an example of a disorder that might be correlated. Other diseases frequently...